The temperature of the water bath is monitored, and it is determined from this data that 194.kj of heat flows out of the system during the reaction. the position of the piston is also monitored, and it is determined from this data that the piston does 121.kj of work on the system during the reaction.

Answers

Answer 1

Final answer:

The subject of this question is physics and the grade level is high school. In thermodynamics, work and heat are forms of energy exchange between a system and its surroundings. To find the temperature of the water bath, the change in internal energy can be calculated by subtracting the work done by the gas from the heat transferred out of the system.

Explanation:

The topic discussed in this question is thermodynamics and specifically the concepts of work and heat. In thermodynamics, work and heat are forms of energy exchange between a system and its surroundings. Work is the energy transferred due to the displacement of an object, and heat is the energy transferred due to a temperature difference.

In this particular question, the subjects of the question are a gas in a piston and water. The gas expands against a constant pressure, doing work on the piston. The work done by the gas and the heat flowing out of the system are given as values in kilojoules.

To find the temperature of the water bath, we need to calculate the change in internal energy of the water. We can use the formula Q = ΔU + W, where Q is the heat transferred, ΔU is the change in internal energy, and W is the work done. Rearranging the formula, we have ΔU = Q - W. Substituting the given values for Q and W, we can calculate the change in internal energy and use it to find the final temperature of the water.


Related Questions

Ilya and Anya each can run at a speed of 8.30 mph and walk at a speed of 3.30 mph . They set off together on a route of length 5.00 miles . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half.


How long does it take Anya to cover the distance of 5.00 miles ?
How long does it take Ilya to cover the distance?
Find Ilya's average speed.

Answers

For Anya:v 1 = 3.3 mph,   v 2 = 8.3 mph5 : 2 = 2.5 mi ( half of the distance )
t1= d/v1 = 2.5 mi/ 3.3 mph = 0.7576 ht2 = d/v2 = 2.5 mi/8.3 mph = 0.3 hIn total: 0.7576 + 0.3 = 1.0576 hFor Ilya: 8.3 t / 2 + 3.3 t / 2 = 5   / * 28.3 t + 3.3 t = 1011.6 t = 10t = 10 : 11.6t = 0.86 hHe covers the distance for 0.86 h.His average speed:v = 5/0.86 = 5.81 mph.


Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 50.0 kg boy weigh on the moon?

Answers

weigh= Mg [given g=9.8ms-²]
W = 50×9.8 = 490N
it's weight on the moon becomes 1/6×490 = 81.67N

Answer: 80 N

Explanation:

The acceleration due to gravity on Earth is [tex]g=9.8 m/s^2[/tex]. On the Moon, it is 1/6 that on the Earth, so the acceleration due to gravity on the Moon is

[tex]g'=\frac{1}{6}g=\frac{1}{6}(9.8 m/s^2)=1.6 m/s^2[/tex]

The weight of the boy on the moon can be calculated as

[tex]W'=mg'[/tex]

where m=50 kg is the boy's mass. By substituting in the formula,

[tex]W'=(50 kg)(1.6 m/s^2)=80 N[/tex]

Consider a book that weighs 15 N at rest on a flat table. How many newtons of support does the table provide?

Answers

The support force is 15 N. The net force on the book is zero.

A table provides a support force equal in magnitude and opposite in direction to the weight of the book on it; therefore, if the book weighs 15 N, the support force from the table is also 15 N.

The question involves understanding the forces involved when a book is placed on a table. If a book that weighs 15 N is at rest on a flat table, then the table must provide an equal and opposite force to support the book and keep it at rest, according to Newton's third law of motion. Therefore, the table provides a support force of 15 N upward to balance the weight of the book.

The alignment of atoms where the north poles face one way and the south poles face the opposite way is also known as which of the following? A) area B) domain C) properties D) force

Answers

The answer is B. Domain
When the atoms point to the same direction and aligned with one another, It will form a magnetic material in which  magnetization is in a uniform direction
This alignment usually happens stimunaleously  due to exchange interaction that caused by a response to an external field.

In gym class you run 22 m horizontally, then climb a rope vertically for 6.2 m. What is the direction angle of your total displacement, as measured from the horizontal?
Express your answer using two significant figures and include the appropriate units.

Answers

Im 99% sure
tan^-1 (6.2/22)= 15.7º
with 2 significant figures 16º

Answer:

[tex]\theta = 16 degree[/tex]

Explanation:

Displacement in horizontal direction(d) = 22 m

displacement in vertical direction(h) = 6.2 m

As we know that total displacement is the straight line which joins the initial position and final position of the object

so here we will have

[tex]tan\theta = \frac{h}{d}[/tex]

now plug in all data in it

[tex]tan\theta = \frac{6.2}{22}[/tex]

[tex]\theta = tan^{-1}(0.282)[/tex]

[tex]\theta = 15.74 degree[/tex]

since we have to give the answer in two significant digit so it is

[tex]\theta = 16 degree[/tex]

What element in the third period is a metalloid?

Answers

silicon is a metalloid (:

Who is credited with being the first person to accurately determine earth's circumference?

Answers

Eratosthenes of Cyrene

Jurgen Habermas introduced this concept in the concept of intersubjectivity?to designate an individual capacity and a social domain.?

Answers

Jurgen Habermas is a German philosopher and sociologist which is an expert in the field of critical conjecture and pragmatism. He is most widely known for his theories regarding communicative rationality and the public sphere. This concept of intersubjectivity is called as:

“Intersubjectivity of mutual understanding”

Final answer:

Jürgen Habermas's concept of intersubjectivity relates to the individual and social capacity to create understanding through communication. It is central to the public sphere where free, rational discourse among citizens influences political action. Habermas emphasizes communicative action as essential for democratic governance.

Explanation:

The concept of intersubjectivity, introduced by Jurgen Habermas, refers to an individual capacity and a social domain where understanding is constructed in communication among individuals. Habermas places emphasis on the role of the public sphere, an arena separate from the state and the private sector, that facilitates free, rational discourse among citizens. This realm enables the collective deliberation and influence on political action. The development of the public sphere historically marked the movement away from feudal structures towards more democratic forms of governance, particularly during the European Enlightenment. Moreover, Habermas's view on communicative action as the process by which social actors engage and create shared understandings, shapes the political landscape through open and inclusive debate.

what will happen to the soccer ball as it rolls down the ramp?


The question is on science there isnt a choice for science

Answers

Well Gravitational force has a big effect on the soccer ball as it rolls down the ramp. It basically accelerates the ball's speed. So honestly however the ramp is designed it will determine the acceleration of the soccer ball due to the gravitational force.

Explanation of what happens to a soccer ball as it rolls down a ramp due to the gravitational force.

When a soccer ball rolls down a ramp, it behaves similarly to a basketball rolling down a playground slide. As the soccer ball starts rolling down the ramp, its velocity increases due to the force of gravity pulling it towards the Earth's center. This gravity is a consistent force that works on the ball acting down the ramp. On a straight slope, the ball's velocity will increase, and the velocity will be the greatest just before the ball begins to rise up another ramp or before it comes to a stop. The acceleration of the ball is constant while it is on the straight section of the ramp assuming no air friction or rolling resistance. As the ball moves down the ramp, it is transitioning from a state of higher gravitational potential energy to one with higher kinetic energy; the greatest kinetic energy is present when the ball is at the bottom of the ramp, moving at its fastest speed. If the ramp is altered in height or angle, so too will the path and velocity of the soccer ball change.

The international space station makes 15.65 revolutions per day in its orbit around the earth. assuming a circular orbit, how high is this satellite above the surface of the earth?

Answers

373.2 km The formula for velocity at any point within an orbit is v = sqrt(mu(2/r - 1/a)) where v = velocity mu = standard gravitational parameter (GM) r = radius satellite currently at a = semi-major axis Since the orbit is assumed to be circular, the equation is simplified to v = sqrt(mu/r) The value of mu for earth is 3.986004419 Ă— 10^14 m^3/s^2 Now we need to figure out how many seconds one orbit of the space station takes. So 86400 / 15.65 = 5520.767 seconds And the distance the space station travels is 2 pi r, and since velocity is distance divided by time, we get the following as the station's velocity 2 pi r / 5520.767 Finally, combining all that gets us the following equality v = 2 pi r / 5520.767 v = sqrt(mu/r) mu = 3.986004419 Ă— 10^14 m^3/s^2 2 pi r / 5520.767 s = sqrt(3.986004419 * 10^14 m^3/s^2 / r) Square both sides 1.29527 * 10^-6 r^2 s^2 = 3.986004419 * 10^14 m^3/s^2 / r Multiply both sides by r 1.29527 * 10^-6 r^3 s^2 = 3.986004419 * 10^14 m^3/s^2 Divide both sides by 1.29527 * 10^-6 s^2 r^3 = 3.0773498781296 * 10^20 m^3 Take the cube root of both sides r = 6751375.945 m Since we actually want how far from the surface of the earth the space station is, we now subtract the radius of the earth from the radius of the orbit. For this problem, I'll be using the equatorial radius. So 6751375.945 m - 6378137.0 m = 373238.945 m Converting to kilometers and rounding to 4 significant figures gives 373.2 km

The International space station is located at the height of [tex]\boxed{369\,{\text{km}}}[/tex]  above the surface of the Earth.

Further Explanation:

The height of the international space station above the surface of the earth is given by the Kepler’s Law of planetary motion. According to this law, the square of time period of the satellite is directly proportional to the cube of the radius of the circular path of the satellite.

Given:

The speed of revolutions made by the International space station is [tex]15.65\,{{{\text{rev}}}\mathord{\left/{\vphantom{{{\text{rev}}}{{\text{day}}}}}\right.\kern-\nulldelimiterspace}{{\text{day}}}}[/tex] .

Concept:

The angular speed of rotation of the International space station is:

[tex]\begin{aligned}\omega&=2\pi\times\frac{{15.65}}{{24\times60\times 60}}\,{{{\text{rev}}}\mathord{\left/{\vphantom{{{\text{rev}}}{{\text{sec}}}}}\right.\kern-\nulldelimiterspace}{{\text{sec}}}}\\&=2\pi\times1.811\times{10^{ - 4}}\,{{{\text{rad}}}\mathord{\left/{\vphantom{{{\text{rad}}}{{\text{sec}}}}}\right.\kern-\nulldelimiterspace}{{\text{sec}}}}\\\end{aligned}[/tex]

The time period of rotation of the International space station is:

[tex]T=\frac{{2\pi }}{\omega }[/tex]

Substitute [tex]\omega[/tex]  in above expression.

[tex]\begin{aligned}T&=\frac{{2\pi}}{{2\pi\times1.811\times{{10}^{ - 4}}\,}}\\&=5520.7\,{\text{s}}\\&\approx{\text{5521}}\,{\text{s}}\\\end{aligned}[/tex]

The expression for the Kepler’s law is:

[tex]\begin{aligned}{T^2}&=\left({\frac{{4{\pi ^2}}}{{GM}}}\right){R^3}\\R&={\left({\frac{{GM{T^2}}}{{4{\pi^2}}}}\right)^{\frac{1}{3}}}\\\end{aligned}[/tex]

Here, [tex]G[/tex]  is the gravitational constant, [tex]M[/tex]  is the mass of the Earth.

Substitute the values in above expression.

[tex]\begin{aligned}R&={\left({\frac{{\left( {6.67\times{{10}^{ - 11}}}\right)\times\left({5.98\times{{10}^{24}}}\right)\times{{\left( {5521}\right)}^2}}}{{4\times{{\left({3.14}\right)}^2}}}}\right)^{\frac{1}{3}}}\\&={\left({\frac{{1.21\times{{10}^{22}}}}{{39.48}}}\right)^{\frac{1}{3}}}\\&=6.74\times{10^6}\,{\text{m}}\\\end{aligned}[/tex]

The radius of the Earth is [tex]6.371\times{10^6}\,{\text{m}}[/tex] .

The height of space station above the surface of Earth is given below:

[tex]\begin{aligned}h&=\left({6.74\times{{10}^6}}\right)-\left({6.371\times{{10}^6}}\right)\\&=3.69\times{10^5}\,{\text{m}}\\&=3{\text{69}}\,{\text{km}}\\\end{aligned}[/tex]

Thus, the International space station is located at the height of  [tex]\boxed{369\,{\text{km}}}[/tex] above the surface of the Earth.

Learn More:

1. A 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 N https://brainly.com/question/7031524

2. Max and Maya are riding on a merry-go-round that rotates at a constant speed https://brainly.com/question/8444623

3. A 50-kg meteorite moving at 1000 m/s strikes earth https://brainly.com/question/6536722

Answer Details:

Grade: High School

Subject: Physics

Chapter: Gravitation

Keywords:

International space station, 15.65 revolutions, circular orbit, around the earth, high, satellite, above the surface, 5521 s, 369 km.

identify the chemical change below
a) a piece of wood burns in a fire
b) two pieces of paper are stapled together
c) water is removed by drying wet clothes on a laundry line
d) a large log is cut into boards

Answers

imma say go with C (:

How much heat energy (in megajoules) is needed to convert 7 kilograms of ice at –9°C to water at 0°C?

Answers

The heat  required to change the phase of a substance can be calculated by using the formula,

q = mCΔT where q is the heat needed, m is the mass of the substance, C is the specific heat capacity and ΔT is the change in temperature.

q = 7000 g (4.18 J/ g °C) (0°C - (-9°C))
q = 263340 J or .26334 MJ
Hope it's correct! ( If so rank as brainliest answer) :)

What physical law(s) predicts the conservation of momentum?

Answers

Consider a collision between two objects - object 1 and object 2. For such a collision, the forces acting between the two objects are equal in magnitude and opposite in direction (Newton's third law). This statement can be expressed in equation form as follows. The forces act between the two objects for a given amount of time. In some cases, the time is long; in other cases the time is short. Regardless of how long the time is, it can be said that the time that the force acts upon object 1 is equal to the time that the force acts upon object 2. This is merely logical. Forces result from interactions (or contact) between two objects.

The earth is made mostly of metals and rocks. Where did this material come from? It was made by nuclear fission of uranium and other radioactive materials. It was produced in the Big Bang. It was created by chemical reactions in interstellar space. It was made by our Sun. It was produced by nuclear fusion in stars.

Answers

Final answer:

The Earth is composed largely of metals and silicate rock, primarily formed from hydrogen and helium, the simplest elements present from the inception of the universe during the Big Bang. Over time, inside the stars, nuclear reactions fusing these elements resulted in the creation of heavier elements, such as silicon and iron. Elements heavier than iron are synthesized through the powerful explosions of supernovas.

Explanation:

The earth is composed largely of metals and silicate rock which were formed from hydrogen and helium, the simplest elements present from the inception of the universe during the Big Bang. Over time, inside the vastness of the stars, nuclear reactions fusing these elements resulted in the creation of heavier elements, such as silicon and iron which constitutes most of Earth's materials. This process is known as nucleosynthesis.

As time passes, the proportion of these heavier elements in the raw materials that make new stars and planets increases. Therefore, it can be said that Earth, with its abundance of heavier elements, was only possible after generations of stars had a chance to make and recycle their heavier elements.

Finally, elements heavier than iron are synthesized through the powerful explosions of supernovas. So, in essence, all of Earth's components and our very existence can be traced back to the stars and the nuclear reactions within them.

Learn more about Origin of Earth's Elements here:

https://brainly.com/question/32741772

#SPJ2

A rock falls freely from rest near the surface of a planet where acceleration due to gravity is 4.0 meters per second per second. what is the speed of this rock after it falls 32 meters?

Answers

The speed of the rock after it has fallen [tex]32\text{ m}[/tex] near the surface of the planet is [tex]\boxed{16\text{ m/s}}[/tex].

Explanation:

Given:

The acceleration due to gravity on the surface of the planet is [tex]4.0\text{ m/s}^2[/tex].

The distance through which the rock falls is [tex]32\text{ m}[/tex].

Concept:

As the rock falls near the surface of he planet, it falls freely under the action of the acceleration due to gravity i.e. the gravitational pull of the planet acting on the rock.

The acceleration due to gravity is different on the surface of the different planets. It depends on the mass and radius of the particular planet.

The final speed of the rock after falling through a particular distance is given by the third equation of motion.

[tex]\boxed{v_f^2=v_i^2+2gS}[/tex]

Here, [tex]v_f[/tex] is the final velocity of rock, [tex]v_i[/tex] is the initial velocity, [tex]g[/tex] is the acceleration due to gravity on planet and [tex]S[/tex] is the distance covered by the rock.

As the rock falls from the rest, the initial velocity of the rock will be zero.

Substitute the values in above expression.

[tex]\begin{aligned}v_f^2&=(0)^2+2(4)(32)\\v_f&=\sqrt{256}\\&=16\text{ m/s}\end{aligned}[/tex]

Thus, The speed of the rock after it has fallen [tex]32\text{ m}[/tex] near the surface of the planet is [tex]\boxed{16\text{ m/s}}[/tex].

Learn More:

1.  A 30kg block being pulled across a carpeted floor brainly.com/question/7031524

2.  Net force acting on a 200kg refrigerator brainly.com/question/7031524

3. Max and Maya are riding on a merry-go-round brainly.com/question/8444623

Answer Details:

Grade: High School

Subject: Physics

Chapter: Laws of motion

Keywords:

acceleration, gravity, rock, planet, surface, equation of motion, initial, final, distance, velocity, 32 m, 16 m/s.

The speed of a rock falling 32 meters on a planet with 4.0 m/s² gravity is 16 m/s.

To determine the speed of a rock that falls freely from rest near the surface of a planet where the acceleration due to gravity is 4.0 meters per second squared, we can use the following kinematic equation:

v² = u² + 2as

Here:

v is the final velocityu is the initial velocity (0 m/s as the rock falls from rest)a is the acceleration due to gravity (4.0 m/s²)s is the distance fallen (32 meters)

Substituting in the given values:

v² = 0 + 2 × 4.0 m/s² × 32 m

v² = 256

Taking the square root to find the speed:

v = √256

v = 16 m/s

Therefore, the speed of this rock after falling 32 meters is 16 meters per second.

) what is kinetic energy, and how does it differ from potential energy?

Answers

 Kinetic energyis the energy of body or a system with respect to the motion of the body or of the particles in the system. Potential energy is the stored energy in an object of system because of its position or configuration.

A bowling ball at rest is in equilibrium. Is the ball in equilibrium when it moves at constant speed in a straight-line path?

Answers

Yes, this type of equilibrium is called "Dynamic equilibrium" where forces are equal, but the object is moving at a constant speed which can not change.

Some scientists typically think of consciousness as a product of

Answers

Some scientists typically think of consciousness as a product of the interaction of electrical signals from the brain’s synapses.

Some scientists typically think of consciousness as a product of the brain's neural activity, particularly the activity of certain specialized regions of the brain such as the prefrontal cortex.

What is consciousness?

Consciousness refers to the state of being aware of one's surroundings, thoughts, feelings, and perceptions. It is the subjective experience of being alive and aware of the world around us. Consciousness is often described as the quality or state of being aware of one's thoughts, feelings, and surroundings.

Consciousness can manifest in a variety of ways, including perception, attention, awareness, intentionality, and self-awareness. It is closely tied to our experiences of the world, and plays a central role in our ability to interact with our environment, communicate with others, and make decisions.

Despite its ubiquity in our everyday lives, consciousness is still not fully understood by scientists and philosophers. The study of consciousness is a topic of ongoing research and debate, with many theories attempting to explain how and why consciousness arises in the brain. Some theories suggest that consciousness is an emergent property of complex neural activity, while others propose that it may be a fundamental aspect of the universe itself.

Here in the Question,

Consciousness arises from the coordinated firing of neurons in these regions, which give rise to subjective experiences such as perception, thought, and emotion. Some scientists also believe that consciousness may involve the integration of information across different regions of the brain, as well as the ability to selectively attend to certain stimuli while filtering out others.

While there is still much that is not fully understood about the nature of consciousness, there is a growing body of research that suggests that it is closely tied to brain activity. For example, studies have shown that certain brain regions are more active during conscious states than during unconscious ones, and that the strength of the neural signals in these regions is correlated with the intensity of conscious experience. Other research has suggested that conscious experience may involve the synchronization of neural activity across different brain regions, or the modulation of neural activity by neurotransmitters such as dopamine and serotonin.

Therefore, Some scientists believe that consciousness is a byproduct of neuronal activity in the brain, particularly in some highly specialized areas of the brain like the prefrontal cortex.

To learn more about the prefrontal cortex click:

https://brainly.com/question/30562039

#SPJ3

An object placed on an equal-arm balance requires 12 kg to balance it. when placed on a spring scale, the scale reads 12 kg. everything (balance, spring scale, set of masses and object) is now transported to the moon, where the force of gravity is one-sixth that on earth. the new readings of the balance and spring scale (respectively) are:

Answers

equal-arm balance = 12 kg spring scale = 2 kg The equal arm balance measures the mass of an object by using a counter mass on the opposite plate of the balance. The force of gravity affects both the mass being tested and the mass standards being compared against equally. So if the local gravitational field changes, those changes affect both the tested mass and the standard masses equally. Contrast that to the spring scale. In that scale, the spring provides a calibrated level of force irrespective of the local gravitational field. So if the local gravity is higher, the force indicated also is higher. And if the gravitational field is lower, the indicated force is also lower. The strength of the spring DOES NOT CHANGE with changes in the local gravitational field.

Can someone check if what i wrote so far makes sense and if i made a mistake.

Answers

I don't really know what it's about but everything looks okay to me. There might be some mistakes on the last sentence but i'm not completely sure.
It looks great, except, I would rewrite the first sentence as "Everett knew it was dangerous to be within close proximity to a cheetah". Also, in the second sentence, I would get rid of the words "at the moment". They aren't really necessary. That's all. Everything else looks perfect. Good job introducing the subject, by the way.

Why are glass fibers stronger than bulk glass?

Answers

flexibility,glass fibers can dissipate energy along the fiber, normal glass

How many joules are in 1 kilowatt hour?

Answers

3600000 are in 1 kilowatt hour

If the temperature at the surface of earth (at sea level) is 40°c, what is the temperature at 2000 m if the normal lapse rate is 6.4°c/1000 m?

Answers

If the temperature at the surface of the earth (at sea level) is 40° Celcius, then the temperature at 2000 meters would be 27.2 degrees Celcius if the normal lapse rate is 6.4° c / 1000 meters.

What is the kelvin scale of temperature?

It is a scale of temperature used to measure the temperature, the kelvin scale of temperature is also known as the absolute scale of temperature.

As given in the problem If the temperature at the surface of the earth (at sea level) is 40° Celcius,

Normal lapse rate =  6.4° c / 1000 meters

The decrease in the temperature for 2000 meter height = 6.4×2

                                                                                               =12.8° Celcius

The temperature at 2000 meters height = 40 - 12.8

                                                                    =27.2° Celcius

Thus, the temperature at 2000 meters would be 27.2 degrees Celcius.

Learn more about the kelvin scale of temperature from here,

https://brainly.com/question/88395

#SPJ2

Final answer:

By applying the normal lapse rate of 6.4°C per 1000 meters, the temperature decrease from 40°C at sea level to 27.2°C at 2000 meters above sea level can be calculated.

Explanation:

The question asks about the change in temperature with altitude, applying the concept of the normal lapse rate. If the temperature at the surface of the earth (at sea level) is 40°C, and considering the normal lapse rate is 6.4°C per 1000 meters, one can calculate the temperature at 2000 meters above sea level. The formula to calculate this is: Temperature at altitude = Surface temperature - (Lapse rate × altitude/1000).

Using the given values in the above formula: 40°C - (6.4°C/1000m × 2000m) = 40°C - 12.8°C = 27.2°C. Therefore, the temperature at 2000 meters above sea level would be 27.2°C.

Cecelia dropped a ball from a height of 2 m. The ball fell in a straight path down to the ground. According to Newton’s universal law of gravitation, which would change the path of the ball so it traces out the widest curved path possible?

Answers

The answer is B). tossing it horizontally at a faster speed. I know because I took the review. 

Answer:

tossing it horizontally at a faster speed

Explanation:

The property that objects have to fall when released from a certain height from the ground was well known since ancient times. For much of our history, the free-falling motion of objects was considered natural, ignoring the need for any causative agent. It was not until the seventeenth century that the English scientist Isaac Newton formulated a theory capable of explaining the cause of these movements and describing them precisely: the law of universal gravitation.

Under this law, free fall is a uniformly accelerated motion and causes any object influenced by the acceleration of gravity to move. This explains why the ball, dropped by Cecelia, fell in a straight path to the ground. According to this law, if Cecelia wanted the ball to travel the widest possible path during the fall, she should play the ball horizontally at a faster speed.

If a scale of the solar system was built where 1 mm equaled 1 mile, could the model be practically built in a city?

Answers

No, it couldn't be.
On that scale, Neptune would be almost 1,740 MILES from the sun.
ON THAT SCALE !

Answer:

No

Explanation:

Given the relative scale (1mm = 1mile) lets calculate the size of the Sun and distance of planets from the Sun in mm.

Diameter of Sun = 864938 miles = 864938 mm = 864.938 meters

Distance of Earth from the Sun = 92955810 miles = 92955810 mm = 92.955 km = 57.75 miles

Distance of Jupiter from Sun = 480000000 miles = 480000000 mm = 480 km = 298 miles

As can be seen, the magnitude of scaled down distances is too huge to fit inside a city.

It will not be practically possible to make such a model.

A river has a steady speed of 0.500 m/s. a student swims upstream a distance of 1.00 km and swims back to the starting point. if the student can swim at a speed of 1.20 m/s in still water, how long does the trip take? compare this with the time the trip would take if the water were still.

Answers

Final answer:

The student would take approximately 33.6 minutes to swim 1 km upstream and then 1 km downstream. Comparatively, if the water were still, the round trip would only take about 27.8 minutes.

Explanation:

To calculate the time it takes for the trip upstream and downstream, we must consider the effect of the river's speed on the swimmer's speed.

Upstream: When the student swims upstream, the river speed works against his own speed. Here, we subtract the river's speed from the student's speed: effective speed = 1.20 m/s - 0.500 m/s = 0.700 m/s. The distance he covers is 1.00 km = 1000 m. The time taken going upstream is then t = Distance/Speed = 1000 m / 0.700 m/s = 1428.6 s.

Downstream: When swimming downstream, the river speed aids the student's speed. Now, we add the student's swimming speed to the river's speed: effective speed = 1.20 m/s + 0.500 m/s = 1.70 m/s. With the same distance to cover, the time taken to swim downstream is: t = 1000m / 1.70 m/s = 588.24 s.

In total, the round trip time amounts to: ttotal = 1428.6 s + 588.24 s = 2016.84 s, which is approximately 33.6 minutes.

If the water were still, the student would swim at his own speed both ways: t = 1000 m / 1.20 m/s = 833.33 s each way. So, the total round trip would take: ttotal = 833.33 s × 2 = 1666.66 s, or approximately 27.8 minutes.

Learn more about Effect of current on swim speed here:

https://brainly.com/question/34037016

#SPJ11

The round trip takes 2017 seconds with the current and 1666 seconds in still water. Swimming upstream and downstream times factor into this calculation.

To determine how long the trip takes for a student swimming upstream and then back downstream, we need to consider both the swimmer’s speed and the speed of the river current.

When swimming upstream:

Swimmer's speed relative to ground = Swimmer's speed in still water - River's speed = 1.20 m/s - 0.50 m/s = 0.70 m/s.

Time taken to swim upstream = Distance / Speed = 1000 m / 0.70 m/s = 1429 s.

When swimming downstream:

Swimmer's speed relative to ground = Swimmer's speed in still water + River's speed = 1.20 m/s + 0.50 m/s = 1.70 m/s.

Time taken to swim downstream = Distance / Speed = 1000 m / 1.70 m/s = 588 s.

Total time for the round trip = Time upstream + Time downstream = 1429 s + 588 s = 2017 s.

If the water were still, the student's speed would be 1.20 m/s in both directions:

Time for one direction in still water = Distance / Speed = 1000 m / 1.20 m/s ≈ 833 s.

Total time for the round trip in still water= 833 s + 833 s = 1666 s.

Therefore, it takes 2017 s to complete the trip with the current, compared to 1666 s without the current.

1. Which of these statements is not a part of the Cell Theory?
a) The cell is the smallest living unit in all orgasims
b) All living things are made of cells
c) There are two main types of cells
d) All cells come from other pre-existing cells

2. _____ contain genetic material such as DNA.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

3. ____ plants are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

4. ____ protists are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

5. ____ your body cells are made of this type of cell.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

6. _____ contain cytoplasm.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

7. _____ contain membrane-bound organelles.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

8. _____ contain ribosomes.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

9. _____ Animals are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

10. _____ fungi are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

11. ____ bacteria are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

12. _____ have a nucleus.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

13. ___ have a cell membrane.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes

Answers

1. C There are two main types of cells
Even though it's true that there are this 2 types of cells, this is not one of the following statements.
Statements in cell theory:
-All living organisms are composed of one or more cells, although there is controversy about virus since they have a non-cellular.
-The cell is the basic unit of life and organization in organisms.
- Cells always arise from pre-existing cells( spontaneous generation doesn't exist)

2. C  Both Prokaryotes and Eukaryotes
Both types of cells need to have genetic information, otherwise it's not possible to transfer the information to the "daughter-cells" when replication happens. Also, it would be possible to synthesize proteins, necessary for cell's survival

3. B- Eukaryotes only

Plants have the so called plant cells, which are a type of eukaryotic cell.
In plant cells we find a external wall composed by different kind of cellulose,  chloroplasts;  vacuoles, which don't exist in animal cells.
Other organelles such as the well define nucleus, mitochondria, endoplasmic reticulum, Golgi complex, lysosomes, cytosol are what it makes a eukaryotic cell.


4.B -Eukaryotes only
All living organisms except bacteria and Archaeas are eukaryotic, that includes  protists. Protists are a diverse group of organisms but they are primarily microscopic and unicellular, or made up of a single cell. Their cells are organized with a nucleus and organelles, making protist a group formed by eukaryotic cells.

5- B Eukaryotes only
All living organisms except bacteria and Archaeas are eukaryotic, that includes us humans. Trillions of cells are found in the human body and they are all eukaryotic because they have their genetic material (DNA) within the nucleus that is bound by a double membrane.

6- C Both Prokaryotes and Eukaryotes
The cytoplasm is the material within a cell, that means: the gel-like substance and the organelles.
All cells have a plasma membrane, cytoplasm, DNA, nucleus, mitochondria, endoplasmic reticulum, Golgi complex and lysosomes

7. B Eukaryotic cells only

Eukaryotic cells contain groups of proteins that function as a unit called organelles. An example of these organelles is the lysosome.
  It contains many enzymes that digest proteins, nucleic acids and lipids. It's important that they are not all over the cytosol because they would digest all of the other organelles, leading to cell death. The fact that they are bound to the membrane keeps them away from killing the cell.

8. C- Both Prokaryotes and Eukaryotes
Ribosomes are found in both prokaryotes and eukaryotes. They are not bound to the membrane; Ribosomes build protein based on the genetic information that the cell contains and that's a very important function for both types of cells.

9-  B- Eukaryotes only

There are two main types of eukaryotic cells, the animal and the plant cells.
The name says it all, animals(including humans) have animal cells
because they have their genetic material (DNA) within the nucleus,
contain membrane-bound organelles, that carry out specific functions (like lysosomes) necessary for normal cellular operation.

10. B- Eukaryotes only

The fungi group is formed by either unicelular( only one cell) or pluricellular (two or more cells) livings beings but they all are eukaryotes.
Fungal cells contain a membrane-bound nuclei and other cytoplasmic organelles such as mitochondria, and ribosomes bound to the membrane.

11. A- Prokaryote only
Aside from bacteria and Archeaes, all the other groups are eukaryotes.
While the eukaryotes have a well defined nucleus with all the DNA inside, the bacterias and archeaes have their genetic material all spread throughout the cytoplasm of the cell.

12.B Eukaryotes only
This is  one of the differences in Eukaryotic cells and prokaryotes. While the eukaryotes have a well defined nucleus with all the DNA inside, the prokaryotes have their genetic material all  spread throughout the cytoplasm of the cell.


13. C - Both Prokaryotes and Eukaryotes

The cell membrane( also called cytoplasmic membrane), is a biological membrane that separates the interior of a cell from the outside environment. It's formed by  a lipid bilayer with embedded proteins. This membrane chooses what comes inside the cell, and what comes out of it in prokaryotes and eukaryotes.







Final answer:

This answer deals with the key differences between prokaryotic and eukaryotic cells, in addition to explaining a part of the cell theory. Eukaryotic cells are usually found in complex organisms like plants, animals, fungi and protists, while prokaryotic cells are found in bacteria. The cell theory does not concern with the types of cells, hence 'there are two main types of cells' is not a part of the cell theory.

Explanation:

1. The statement which is not a part of the Cell Theory is 'c) There are two main types of cells.'

2. Both Prokaryotes and Eukaryotes contain genetic material such as DNA.

3. Eukaryotes only plants are an example of me.

4. Eukaryotes only protists are an example of me.

5. Your body cells are made of Eukaryotes only type of cell.

6. Both Prokaryotes and Eukaryotes contain cytoplasm.

7. Eukaryotes only contain membrane-bound organelles.

8. Both Prokaryotes and Eukaryotes contain ribosomes.

9. Eukaryotes only Animals are an example of me.

10. Eukaryotes only fungi are an example of me.

11. Prokaryotes only bacteria are an example of me.

12. Eukaryotes only have a nucleus.

13. Both Prokaryotes and Eukaryotes have a cell membrane.

Learn more about Cellular Biology here:

https://brainly.com/question/31481431

#SPJ12

when two or more substances are mixed together without undergoing a chemical reaction result in a a/n

Answers

it is called a mixture
Mixture is your answer

this is when they do not go through chemical changes

hope this helps

why would the size of a star affect its luminosity

Answers

Final answer:

The size of a star directly affects its luminosity because larger stars have a larger surface area and can emit more light and heat. On the other hand, smaller stars have a smaller surface area and emit less light, resulting in a lower luminosity.

Explanation:

The size of a star affects its luminosity because the luminosity of a star is directly related to its surface area. Larger stars have a larger surface area, which allows them to emit more light and heat, resulting in a higher luminosity. On the other hand, smaller stars have a smaller surface area and emit less light, leading to a lower luminosity.

For example, let's consider two stars of the same temperature, but different sizes. The larger star will have a greater luminosity because it has a larger surface area from which it can radiate energy. Conversely, the smaller star will have a lower luminosity due to its smaller surface area.

Therefore, the size of a star directly impacts its luminosity, with larger stars being more luminous than smaller stars.

Learn more about The relationship between the size of a star and its luminosity here:

https://brainly.com/question/33723624

#SPJ6

Colorful light emissions are applicable to everyday life. where else have you observed colorful light emissions? are these light emission applications related? explain.

Answers

Fireworks are a great example of colorful light emissions. When the firework is ignited, it causes light to pass through different metal salts (calcium chloride, sodium nitrate, etc), creating the color of red, blue, white and green.

Colorful light emissions are applicable to everyday life.

What is science?

Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.

People may contribute to the development of new knowledge through science and utilize it to promote their objectives.

Every time matter produces light All materials emit light when heated.

                                                                                         

The part of a cooking stove, the metal filaments in a lightbulb, and even solar radiation from the sun creating multicolored lights are just a few examples of how this happens in the world around us.

To learn more about the science here, refer to the link;

https://brainly.com/question/18186842

#SPJ2

Other Questions
Polygons ABCD and ABCD are shown on the coordinate grid:What set of transformations is performed on ABCD to form ABCD? How are island chains, like the Hawaiian islands, formed?transform boundariesdivergent boundarieshotspots, also known as thermal mantle plumesconvergent boundaries How did the need for cooperation to control flooding and irrigate crops lead to the development of civilization in Sumer? The Iroquois promoted peace by doing what The sum of two numbers is 38. The larger number is 12 more than the smaller number. What are the numbers? Hay ____. una inundacin un incendio las causas de lo que ha ocurrido ____. se conocen se desconocen en los ltimos meses, ha habido ____. mucha sequa muchas tormentas las autoridades temen que ____. los animales salvajes vayan a los pueblos el incendio se extienda los pueblos de los alrededores ____. estn en peligro estn contaminados math question down below How can bias affect a news story? How do you convert 10/6 into a mixed number T _____ (tocar) el piano.tocotocastocatocan A hypothetical population of a trout lives in a lake in california. the fish in this population have two color phenotypes, brown and white. both phenotypes are relatively equal in the population. in this species, scale color is controlled by different alleles for the same gene. the population in the lake is isolated from other populations of trout as there are no rivers or streams connecting the lake to other bodies of water. one winter, a rockslide on a cliff bordering the lake kills half of the fish living in the lake. by random chance, the majority of the fish killed in the rockslide have the white phenotype. several years later, a scientist studying the population of trout in the lake observes that there are no more white fish present in the lake. what is most likely responsible for the change in phenotypic frequency of trout in the lake? What cataclysmic event seems to have forced therans to abandon their civilization sometime between 1700 and 1500b.c.? The process by which dna makes a copy of itself is called: a transcription b replication c synthesis d translation Eight members of the Math club equally shared three pizzas. Expressed as a fraction,whAt part of a pizza did each member receive ? If someone flips switches on the selection in a completely random fashion, what is the probability that the system selected contains at least one sony component? exactly one sony component? (round your answer to three decimal places.) at least one sony component correct: your answer is correct. exactly one sony component RST is dilated about the origin, O, to create R'S'T'. Point R is located at (3, 9), and point R' is located at (1.2, 3.6). Which scale factor was used to perform the dilation? Which of these gases plays a more important role in weather processes than the others? A. nitrogen B. argon C. oxygen D. carbon dioxide Harry started a school in the year 2000. The number of students was 500 in the beginning and is increasing at a rate of 13% each year. Use a graph to predict the number of students in the year 2020. A 4.0 kg object will have a weight of approximately 14.8 N on Mars. What is the gravitational field strength on Mars? 40 N/kg 3.7 N/kg 1.48 N/kg 0.27 N/kg A gun has muzzle speed 144 m/s. find two angles of elevation that can be used to hit a target 780 m away. (enter your answers as a comma-separated list. round your answers to one decimal place. use g 9.8 m/s2.) Steam Workshop Downloader