The vestibulo-ocular reflex ensures stable vision by moving the eyes in the opposite direction of the head. Please select the best answer from the choices provided T F

The energy produced when the sun converts one kg of mass into energy is equal to 89875517873681764 J .

Energy is the capacity to do work in physics. Potential, kinetic, thermal, electrical, chemical, radioactive, and other kinds are just a few of the many possible manifestations. Additionally, heat and effort are two other ways that energy is transported from one body to another. Following a transfer, energy is always classified according to its nature. Thus, the generation of thermal energy may result from the transmission of heat, whereas the generation of mechanical energy may result from the performance of work.

Motion is a property of all types of energy. Anybody that is in motion, for instance, has kinetic energy. Even while at rest, a tensioned object like a bow or spring has the capacity to move; this is because of the way it is designed.

Now, let's find out the energy,

E=mc²

= (1 kg) × (299792458)²

= 89875517873681764 J

Therefore, the energy produced by the sun is 89875517873681764 J.

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One student uses a flask held up at eye level to measure liquids for the experiment.

The second student measuring the liquids for the experiment while the flask is on the table will probably cause the largest amount of inaccuracy, hence option C is the right response.

Scientific claims are statements made in science based on an experiment.

As given in the problem statement One student uses a flask held up at eye level to measure liquids for the experiment.

The other student measuring the experiment's liquids while the flask is on the table is most likely to introduce the highest amount of mistakes.

Thus, therefore the correct answer is option C.

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The shell will take about 0.34 seconds to reach the ground.

T is given as 800 m/s. The factors that would impact time are gravity and angle.

The factor of gravity (g) is a constant given as = 9.81. Any object on earth will accelerate at the speed of 9.81 meters per second if they are in a free fall.

Hence, T = 800Sin(30°) / g = 800 * 0.5

This is equals   400/9.81 = 40.773 or 40.78 seconds.

Given that the vertical velocity of the shell is zero because it is accelerating at an angle towards the earth, it will rise at an average speed that can be computed as:

1/2 (800sin30°) = 1/2 * 400 = 200m/s for Tsec and arise of H which is 8,156m.

The shell having risen falls from rest at the height given above.

S therefore,  = 150 +H, that is 150 + 8,156m. This is equals to 8,306m.

Next, we compute for the Kinematics equation of distance in relation to time (t) where the initial speed is 0.

S = 1/2(gt)²

thus 8,306 = 0.5 * 9.81*t² with elementary cross multiplication and the  and the squaring of both sides, we have

t = [tex]\sqrt{1693}[/tex]

t= 41.14608 which is approximately 41.12 seconds.

Because the time taken for the shell to rise and then to fall to the ground is the sum of T and t. the time taken to fall or the time taken for the shell to travel towards to the ground is:

t - T = 41.12 - 40.78

= 0.34 seconds

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The period of a satellite orbiting the moon is 7048 s

Newton's gravitational law states that the force of attraction between two objects can be formulated as follows:

[tex]\large {\boxed {F = G \frac{m_1 ~ m_2}{R^2}} }[/tex]

F = Gravitational Force ( Newton )

G = Gravitational Constant ( 6.67 × 10⁻¹¹ Nm² / kg² )

m = Object's Mass ( kg )

R = Distance Between Objects ( m )

Let us now tackle the problem !

To find the period of the satellite can be carried out in the following way:

[tex]F = G \frac{m_{moon} \times m_{satellite}}{R^2}[/tex]

[tex]m_{satellite} \times \omega^2 \times R = G \frac{m_{moon} \times m_{satellite}}{R^2}[/tex]

[tex]\omega^2 \times R = G \frac{m_{moon}}{R^2}[/tex]

[tex]\omega^2 = G \frac{m_{moon}}{R^3}[/tex]

[tex]\omega = \sqrt{G \frac{m_{moon}}{R^3}}[/tex]

[tex]\omega = \sqrt{6.67 \times 10^{-11} \frac{7.35 \times 10^{22}}{(1.834 \times 10^6)^3}}[/tex]

[tex]\omega = 8.91 \times 10^{-4}[/tex]

[tex]\frac{2 \pi}{T} = 8.91 \times 10^{-4}[/tex]

[tex]T = \frac{2 \pi}{8.91 \times 10^{-4}}[/tex]

[tex]\boxed {T \approx 7048 ~ seconds}[/tex]

Grade: High School

Subject: Physics

Chapter: Gravitational Fields

Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant

The period of a satellite orbiting the moon, 94 km above the moon's surface is 71903 seconds.

Given:
Distance, d = 94 km

Radius, R = 1740 km

Average distance = R + D

Average distance = 1740 km + 94 km = 1834 km

Convert average distance into meters:

Average distance = 1834 km × 1000 = 1,834,000 meters

The period is:

Period² = (4π² / G)  (Average distance)³

Substituting the values, we get:

Period² = (4π² / (6.67430 × 10⁻¹¹ N·m²/kg²)) ×  (1,834,000 meters)³

Period² = 5180781218 seconds²

Period = √(5180781218 seconds²) = 71903 seconds

Hence, the period of a satellite orbiting the moon, 94 km above the moon's surface is 71903 seconds.

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It will change shape because the comprehensive stress layer causing it to bend slightly. Thus, thinner material like sheet metal will apparently change its shape. This is usually the reason why someone/people would peen sheet metal. In addition, Shot peening is cold working process done to metal parts for fatigue resistance. And the process is done by placing the part surface into compression. 

Newton's second law of motion describes the relationship between force and acceleration. They are directly proportional. If you increase the force applied to an object, the acceleration of that object increases by the same factor. In short, force equals mass times acceleration.

The acceleration of the car is the ratio of its change in velocity to the change in time. The acceleration of the car is  6 m/s².

Acceleration of a moving body is the rate of change in its velocity. Acceleration is a vector quantity and is characterised by a magnitude and direction. The change in magnitude or direction or both in velocity results in an acceleration of for the body.

Acceleration is the ratio  of the change in a velocity to the change in time. Hence the expression relating the time, velocity and acceleration is given by,

a = U - V/ t0 - T

Where, u be the initial velocity and v is final velocity. T0 is initial time and T be the final time .

Given that the car is starts from rest. Hence initial time and velocity is zero. The final velocity is 42 m/s and time is 7 seconds.

Then, acceleration = velocity / time

                          =  42 m/s / 7 s = 6 m/s².

Therefore, the acceleration of the car is  6 m/s².

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Answer:

constant

Explanation:

The universe is an isolated system. In thermodynamics, an isolated system is a system that does not exchange neither matter (mass) nor energy with the external surroundings.

As a consequence, the energy and mass of an isolated system is always constant (because it cannot be exchanged with the outside): this is known as law of conservation of energy, and it can be applied to the universe as well, since it is an isolated system.

So, the correct answer is

The total amount of energy and mass in the universe is constant

Answer:  Option B

Explanation:

Rocks contains pores and spaces in them in which water gets trapped, and this causes the rock to break as water increases its volume due to freezing. This rocks are then eroded and are carried away into the streams and channels. The rivers and streams can carry particles of various shapes and size, which are further transported and deposited at a different place.

This particles or sediments then gets compacted and lithified in due course of time, and forms sedimentary rocks.

Water is also needed to undergo metasomatism process, that creates a metamorphic rock.

Hence, water flow is also an important driving force in rock cycle, along with tectonic activities.

Thus, the correct answer is option (B).

Answer:

The water flow because it shapes rocks

Explanation:

Answer:

Explanation:

Alfred Lothar Wegener (1880-1930) was a German meteorologist and geophysicist who completed the first hypothesis about Continental Drift. He explained that the continents had onced formed a single mass, a single "continent" and then all began to break apart, until reach their presents positions.

So, according to Wegener's hypothesis, all the land on Earth was part of a single and unique mass, which was separated with the years.

Therefore, Alfred Wegener was best known for the Continental Drift Hypothesis.

Answer:

Energy used, E = 3780 Joules

Explanation:

It is given that,

Power, P = 2.1 W

Time, t = 30 minutes = 1800 seconds

We need to find the energy used by the iPod. The product of power and time is called energy used i.e.

E = P × t

[tex]E=2.1\ W\times 1800\ s[/tex]

E = 3780 Joules.

So, the energy used by the iPod is 3780 Joules. Hence, this is the required solution.

Answer: The distance traveled is 240km

Explanation: We know that the average speed is 60km/h, this means that the car travels 60km in an hour, so in 4 hours, the car travels four times this distance:

d = 4*60km = 240km

So the distance traveled is 240km.

The mass of planet B is 4m

[tex]\texttt{ }[/tex]

Newton's gravitational law states that the force of attraction between two objects can be formulated as follows:

[tex]\large {\boxed {F = G \frac{m_1 ~ m_2}{R^2}} }[/tex]

F = Gravitational Force ( Newton )

G = Gravitational Constant ( 6.67 × 10⁻¹¹ Nm² / kg² )

m = Object's Mass ( kg )

R = Distance Between Objects ( m )

Let us now tackle the problem !

[tex]\texttt{ }[/tex]

Given:

gravitational acceleration of Planet A = g₁ = g

gravitational acceleration of Planet B = g₂ = g

radius of Planet A = R₁ = R

radius of Planet B = R₂ = 2R

mass of Planet A = M₁ = m

Asked:

mass of Planet B = M₂ = ?

Solution:

We will compare the gravitational acceleration of the two planets as follows:

[tex]g_1 : g_2 = G\frac{M_1}{(R_1)^2} : G\frac{M_2}{(R_2)^2}[/tex]

[tex]g_1 : g_2 = \frac{M_1}{(R_1)^2} : \frac{M_2}{(R_2)^2}[/tex]

[tex]g : g = \frac{m}{(R)^2} : \frac{M_2}{(2R)^2}[/tex]

[tex]1 : 1 = m : \frac{1}{4}M_2[/tex]

[tex]\frac{1}{4}M_2 = m[/tex]

[tex]\boxed{M_2 = 4m}[/tex]

[tex]\texttt{ }[/tex]

[tex]\texttt{ }[/tex]

Grade: High School

Subject: Physics

Chapter: Gravitational Fields

Most known extrasolar planets resemble Earth, with a significant number also resembling what we call "super Earths", or planets with two to ten times the mass of Earth. Our solar system may be unusual, with many systems potentially hosting Earth-like planets closer to their respective stars.

The student asks which planet most known extrasolar planets most resemble. Based on the available data from missions like Kepler, it is clear that the majority of these extrasolar planets or exoplanets most closely resemble Earth. Analyses of the data show that small planets, like the terrestrial ones in our system, are much more common than giant ones. Also relatively common are the so-called "super Earths", which are planets with two to ten times the mass of our planet. In this respect, it is important to note that our solar system may actually be unusual in the organization and types of its planets, and that a large number of planetary systems in our galaxy could potentially host Earth-like planets closer to their star.

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Answer:

Entropy

Explanation:

100%

49d

This case is about uniformly accelerated motion.

Given:

The initial speed was v takes distance d to stop after the brakes are applied.

Question:

What is the stopping distance if the car is initially traveling at speed 7.0v?

Assume that the acceleration due to the braking is the same in both cases. Express your answer using two significant figures.

The Process:

The list of variables to be considered is as follows.

The formula we follow for this problem are as follows:

[tex]\boxed{ \ v^2 = u^2 + 2ad \ }[/tex]

Step-1

We substitute v as the initial speed, distance of d, and zero for final speed into the formula.

[tex]\boxed{ \ 0 = v^2 + 2ad \ }[/tex]

[tex]\boxed{ \ v^2 = -2ad \ }[/tex]

Both sides are divided by -2d, we get [tex]\boxed{ \ a = \Big( -\frac{v^2}{2d} \Big) \ . . . \ (Equation-1) \ }[/tex]

Step-2

We substitute 7.0v as the initial speed, zero for final speed, and Equation-1 into the formula.

[tex]\boxed{ \ 0 = (7.0v)^2 + 2 \Big( -\frac{v^2}{2d} \Big)d' \ }[/tex]

Here d' is the stopping distance that we want to look for.

[tex]\boxed{ \ 2 \Big( \frac{v^2}{2d} \Big)d' = (7.0v)^2 \ }[/tex]

We crossed out 2 in above and below.

[tex]\boxed{ \ \Big( \frac{v^2}{d} \Big)d' = 49.0v^2 \ }[/tex]

We multiply both sides by d.

[tex]\boxed{ \ v^2 d' = 49.0v^2 d \ }[/tex]

We crossed out v^2 on both sides.

[tex]\boxed{\boxed{ \ d' = 49.0d \ }}[/tex]

Hence, by using two significant figures, the stopping distance if the car is initially traveling at speed 7.0v is 49d.

Keywords: a car traveling at speed v, takes distance d to stop after the brakes are applied, the stopping distance, if the car is initially traveling at speed 7.0v, the acceleration due to the braking is the same, two significant figures.

The stopping distance when a car is initially traveling at speed 7.0v is (7.0v^2)/d.

To determine the stopping distance when a car is initially traveling at speed 7.0v, we can use the fact that the acceleration due to braking is the same in both cases. Since the distance it takes to stop at speed v is d, we can set up a proportion: v/d = 7.0v/x, where x represents the stopping distance when the car is initially traveling at speed 7.0v. We can solve for x by cross multiplying and then dividing: x = (7.0v^2)/d. Therefore, the stopping distance when the car is initially traveling at speed 7.0v is (7.0v^2)/d.

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We are given:

v0 = initial velocity = 18 km/h

d = distance = 4 km

v = final velocity = 75 km/h

a =?

We can solve this problem by using the formula:

v^2 = v0^2 + 2 a d

75^2 = 18^2 + 2 (a) * 4

5625 = 324 + 8a

a = 662.625 km/h^2

Final answer:

To find the magnitude of acceleration, use kinematic equations or Newton's second law if the force and mass are known, or use the Pythagorean theorem for resultant acceleration in two dimensions.

Explanation:

To find the magnitude of acceleration, one needs to use kinematic equations that relate acceleration with other motion variables (such as velocity, time, and displacement) or use Newton's second law if the forces acting on the object are known.

For example, consider Newton's second law which states that the force applied on an object is equal to the mass of the object times its acceleration (F = ma). If you know the mass (m) and the net external force (F), you can solve for the acceleration (a) by rearranging the equation to a = F/m.

In the case where motion is in two dimensions, the acceleration components along the x- and y-axes can be represented as ax and ay. If we are dealing with gravitational acceleration, on Earth it is typically approximated as 9.8 m/s² directed downwards. To find the magnitude of a resultant acceleration vector, you can use the Pythagorean theorem if you have its components: a = √(ax² + ay²).

Answer:

Ella es.

Explanation:

In spanish you have to conjugate every verb for each different person that you are talking about, in this example you are using the third person, in singular, since you are refering to Patricia Lopez, and you have to refer to her as She or "Ella" so you would have to say "Ella es Patricia López, mi mejor amiga"

Answer:

False

Explanation:

The observers will detect different frequencies based whether the source is approaching them or receding from them. Based on the location of observer, the source may either approach the observer or recede from the observer.

If the source is receding

[tex]f_{observed}=f_{source}(\frac{v}{v+v_{source}} )[/tex]

if the source is approaching

[tex]f_{observed}=f_{source}(\frac{v}{v- v_{source}} )[/tex]

For example, consider a scenario where an ambulance moves from west to east.

There are two observers one located west of the ambulance and other located east of the ambulance The ambulance is receding from the west side observer and approaching the east side observer.

The observer west of the ambulance will hear lower pitch and the observer eat of the ambulance will hear higher pitch.

Answer:

Black holes are a class of astronomical objects that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, not even light. Observational evidence indicates that almost every large galaxy has a supermassive black hole at its center.

Explanation:

Have a good day

Answer:

Heat is most closely related to THERMAL ENERGY.

Explanation:

As we know that heat is a dynamic nature of energy in which heat will flow from high temperature to low temperature.

As we know that thermal energy is the energy due to the kinetic energy of all molecules of the given system

This thermal energy is exchanged from one system to other system only due to the temperature gradient.

So here heat always flows from high temperature system to low temperature system.

So here correct answer would be

Heat is most closely related to THERMAL ENERGY.

The approximate amount of energy released per gram of peanut burned is around 106,712 J/g.

Given that the volume of water is 200.0 mL and the density of water is approximately 1 g/mL, we have:

Mass of water = 200.0 g

The heat transfer equation:

Mass of water = Volume of water × Density of water

Change in temperature = Final temperature - Initial temperature

Change in temperature = 14.2 °C

The energy released = Heat capacity of water × Mass of water × Change in temperature / Mass of peanut burned

The mass of the peanut burned is the difference between its initial and final masses:

Mass of peanut burned = Initial mass - Final mass

Mass of peanut burned = 0.609 - 0.053

Mass of peanut burned = 0.556 g

Energy released = 4.184× 200.0 × 14.2 / 0.556

Energy released = 106,712 J/g

Rounded to a more practical number, the approximate amount of energy released per gram of peanut burned is around 106,712 J/g.

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The complete question is:

A student followed the procedure of this experiment to determine the Caloric content of a Planter's cocktail peanut. The peanut studied had a mass of 0.609 g before combustion and 0.053 g after combustion. The energy released during combustion caused a 14.2 degrees C increase in the temperature of 200.0 mL of water in the calorimeter.

Calculate the amount of energy released per gram of peanut burned.