a missile is moving 1350 m/s at a 25.0 deg angle. it needs to hit a target 23,500 m away in 55.0 deg direction in 10.20 s. what is the magnitude of its final velocity?

D isd your answer  buddy

Given data:

From Figure:  

        Each box in the graph (small rectangle box) is assumed to be one download. So, in the graph the time between 8 p.m to 9 p.m, the number of downloads are 8.75 approximately (because the last box is incomplete, therefore 8 complete boxes and 9th is more than half).

So, We conclude that the total number of downloads are approximately 9 in the time span of 8 p.m. to 9 p.m.

You have two answers that are pretty close. He mentioned D, but what he really found and stuck with it and concentrated on it when submitting his findings was that the nucleus of an atom was small and concentrated at the center of the atom.

So the answer is C but you cannot easily eliminate D. I think the question is somewhat faulty, but C should give you the mark.

Answer:

C. He placed positive material in the atom's center.

Explanation:

Ernest Rutherford was a physicist from New Zealand who spent most of his career in England and Canada. Rutherford was an important figure in the history of the discovery of the atom. Rutherford is famous for his gold foil experiment. Based on the results of his experiment, Rutherford concluded that there must be a tiny volume of the atom, containing most of the atom's mass, at the center of the atom. This would have a positive charge, and the rest of the atom must be made of mostly empty space. This positive material in the atom's center is the nucleus.

The well adaptability of dodo's in living on the island of Mauritius is the factor that would not have led to dodo's extinction.

Given is to find the factor would not have led to the extinction of dodo birds.

Therefore, the well adaptability of dodo's in living on the island of Mauritius is the factor that would not have led to dodo's extinction.

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Answer: the number protons stayed the same.

Explanation: an isotope has equal number of protons but different number of neutrons resulting in different atomic mass but the same chemical properties.

Answer: Satellite technology allows us to monitor and track the changes in the polar ice sheets. This can help us plan and direct conservation efforts for the animals that depend on polar ice in order to survive.

Explanation:

A satellite orbits around Earth. We have different satellites for different purposes. A satellite has transmitter and receiver for sending and receiving information.  For the use of environment, only one statement seems correct that is: Satellite technology allows us to monitor and track the changes in the polar ice sheets. This can help us plan and direct conservation efforts for the animals that depend on polar ice in order to survive.

Rest options are true but not from the environment point of view.

We know that animals are dependent on the environment for their survival. polar ice caps are difficult to reach and monitor. For making conservation plan for the animals residing in these remote areas, satellite technology is very crucial.

Answer:

Satellite technology allows us to monitor and track the changes in the polar ice sheets. This can help us plan and direct conservation efforts for the animals that depend on polar ice in order to survive.

Explanation:

Sound level at distance of 15 m is given as 20 dB

so intensity at this distance is given as

[tex]L = 10 Log\frac{I}{I_0}[/tex]

[tex]20 = 10 Log{I}{10^{-12}}[/tex]

[tex]I_1 = 10^{-10}W/m^2[/tex]

now if we move closer to some some distance the sound level is now 50 dB

now the intensity is given as

[tex]L = 10 Log\frac{I}{I_0}[/tex]

[tex]50 = 10Log\frac{I}{10^{-12}}[/tex]

[tex]I_2 = 10^{-7}W/m^2[/tex]

now we know that

[tex]\frac{I_1}{I_2} = \frac{r_2^2}{r_1^2}[/tex]

[tex]\frac{10^{-10}}{10^{-7}} = \frac{r_2^2}{15^2}[/tex]

[tex]r_2 = 47 cm[/tex]

so now the distance from friend must be 47 cm

D. Femur, sacrum, pelvis and skull

Answer:

Inez thinks it is important to be honest with her friends.

Byron tries to treat all people with respect.

Lydia cares about expressing her creativity.

Explanation:

Just did on Edge

The correct answer is A

The distance between Star 2 and Star 3 is 75 light years.

The distance between stars in space can vary significantly. In our Milky Way galaxy, stars are typically separated by many light-years, with the closest star system, Alpha Centauri, about 4.37 light-years away from our solar system. However, interstellar distances can range from fractions of a light-year to many thousands of light-years, depending on the specific stars and their locations within the galaxy or the universe.

The distance between Star 2 and Star 3 can be calculated by subtracting the time it takes for light to travel from Star 1 to Star 2 (63 years) from the time it takes for light to travel from Star 1 to Star 3 (138 years). So, the distance between Star 2 and Star 3 is 75 light years (option A).

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Answer:

Binary

Explanation:

When two compounds are made from specifically only of two elements, that compound is known as binary. Binary compounds can be of two types

1. where two elements are different and only one atom of each element would participate in compound making. some of the examples are:- sodium chloride(one sodium and one chlorine).

2. Where more than one atom of each element participate such as nitrous oxide(two atoms of nitrogen and one of oxygen).

Ways of thinking, feeling, or acting that are unusual are symptoms of a mental disorder.

Answer: Option (D) is the correct answer.

Explanation:

When a person thinks, feels or acts in ways which are not normal or which are unusual in many ways then this activity is considered as symptoms of a person's behavior.

For example, a women argues with everyone without any reason.

So, when a person suffers from some any mental disorder then he doesn't know what he is saying, doing or expressing.

Hence, we can conclude that ways of thinking, feeling, or acting that are unusual are symptoms of a mental disorder.

The measurement consists in comparing a selected pattern with the object or phenomenon whose physical magnitude is going to be measured, to find out how many times the pattern is contained in that magnitude. That is, it is about identifying or quantifying a particular characteristic or aspect of a particular object or construct.

Now, a well done measurement has two parts:

-The number gives us information about the quantity of the measurement, or in other words, the magnitude of the measurement and its precision.  

-The units gives us information about the property that is being measured. This is quite important, because a measurement or result with no units is useless.

Note the units may be expressed with letter or symbols, depending on what we are measuring.

A measurement consists of two important parts: a number and a unit. The number provides the quantity, and the unit indicates the standard of measure.

The two parts of a measurement are a number and a unit. For example, if you measure the length of a desk and find it to be 150 cm, '150' is the number, and 'cm' or centimeters is the unit.

The number tells you 'how much', and the unit tells you 'of what'. '150 centimeters' means 150 times the defined length of a centimeter.

Each part is necessary for the measurement to make sense and be useful. Without the number, you wouldn't know 'how much', and without the unit, you wouldn't know 'of what'.

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Fission and fusion process

the first part is physical

We have that Crest ,trough, frequency, wavelength, amplitude you will be able to label the wave in Question.

From the question we are told

Label the parts of a wave the terms : crest ,trough, frequency, wavelength, amplitude

Generally

This is the defined as the vertical distance covered by a wave.

This speaks of lowest point of a wave the inverse of the crest

This is the is defined as the inverse of

This is defined as the peak to peak distance of a wave

This defines the maximum height attained by the wave.

Therefore

With above definition of Crest ,trough, frequency, wavelength, amplitude you will be able to label the graph in Question

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A force is calculated in neutons

Answer: newton

Explanation:

I think neon because it is all the way to the right

The Sentences Nyah should use in her Explanation are :

B. An Ecosystem cannot Function without Decomposers.

D. Decomposers help to recycle nutrients in an Ecosystem.

Because :

✿ Producers provide food for Consumers.

✿ Ecosystems have many types of Decomposers like Bacteria & Fungi.

✿ Plants are not Examples of Decomposers.

Final answer:

Decomposers like fungi and bacteria are crucial for ecosystem functionality as they recycle nutrients, enabling the survival and stability of ecosystems. They prevent waste buildup and support the cycle of life by converting dead matter into essential nutrients for producers.

Explanation:

Nyah explains to Arman the importance of decomposers in an ecosystem. The sentences that should be used in her explanation are:

B.) An ecosystem cannot function without decomposers.

D.) Decomposers help to recycle nutrients in an ecosystem.

Decomposers, such as fungi and bacteria, play a critical role in sustaining ecosystems by breaking down dead organisms and organic waste. This process recycles essential nutrients like carbon and nitrogen back into the soil, which are then available for producers, such as plants, to use. By converting dead matter into nutrients, decomposers ensure the stability and survival of ecosystems, preventing waste accumulation and enabling the continuous cycle of life.

It is to some sea creatures. Like the ones with air filled areas like lungs and swim bladders

The correct answer is false. Just took the test

Answer:

This is due to the apparent movement of the celestial bodies, seen from an observer centered on the Earth. If we did not have knowledge of the advances of science and the latest discoveries, we would think that the Earth is the center of the universe.

For example, for an observer on Earth as a reference system, the Sun moves every day from east to west, as do the planets and all the stars that we observe at night, which leads the observer to believe that those in motion are these bodies outside in the sky while the earth is still and fixed in the universe.

Keep in mind that this theory of geocentrism was widely accepted for a long time in antiquity, until the astronomer Nicolaus Copernicus proposed a completely different and opposite idea, heliocentrism (universe centered on the Sun).

However, at present it is known and accepted that the universe has no center, that the Earth revolves around the Sun and that in reality all the bodies of the universe are in movement.

Our senses, based on our observational perspective, may lead us to believe that Earth is the center of the universe, a belief supported by the ancient geocentric model. The shift to the Copernican principle that positions the Sun at the center of the solar system challenged this perception. In reality, we are part of a vast universe and not at its center.

Our senses can lead us to believe that Earth is the center of the universe because our daily observations suggest so. From our vantage point, it appears as if the Sun, Moon, and stars revolve around us, making Earth feel central. This observation is attributed to the geocentric model heavily rooted in ancient astronomical models where Earth was considered the universal center and all celestial bodies moved in circular orbits around it.

However, this perception changed with the introduction of the Copernican principle, which redefined our understanding of celestial mechanics, positioning the Sun as the center of our solar system and not the Earth.

From everyday observation, it does seem like everything in the sky orbits the Earth. This perception is due to our positional perspective, not a reflection of the true cosmic order. The reality is that Earth orbits the Sun, and we are just one of many objects in the universe, not at its center.

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i think the answer is true

According to Ohm's law for a portion of the circuit we have:

U=RI=>I=U/R=9/4=2.25 A

Answer:

Current in the circuit, I = 2.25 A

Explanation:

Given that,

Voltage of the battery, V = 9 V

Resistance of the bulb, R = 4 ohms

We need to find the current in the circuit. It can be calculated using Ohm's law. Ohm's law gives the relationship between the current, resistance and the voltage as :

[tex]V=IR[/tex]

[tex]I=\dfrac{V}{R}[/tex]

[tex]I=\dfrac{9\ V}{4\ \Omega}[/tex]

I = 2.25 A

So, the current flowing in the circuit is 2.25 amperes. Hence, this is the required solution.

Answer:

empty space

Explanation:

Answer:

2.0 J

Explanation:

Since the surface is frictionless, we can solve the problem by using the work-energy theorem, which states that the work done on the toy is equal to the kinetic energy gained by the toy:

[tex]W=\Delta E_k[/tex]

where

W is the work done on the toy

[tex]\Delta E_k[/tex] is the kinetic energy gained by the toy

The work done can be calculated as the product between the force applied on the toy and its displacement, so:

[tex]W=Fd=(2.0 N)(1.0 m)=2.0 J[/tex]

Therefore, according to the work-energy theorem, the toy has gained 2.0 J of kinetic energy.

Answer: 2 J

Explanation: Kinetic energy is possessed by a body due to virtue of its motion. A body gains kinetic energy when some work is done on it.

W = Δ K.E.

We know that work is said to be done on a body when a force causes displacement of the body.

W = F.s

It is given that net force on the toy, F = 2.0 N which displaces the toy by, s = 1.0 m.

Hence, work done on the toy, W = 2.0 N × 1.0 m = 2 J which is equal to the kinetic energy gained by the toy.  

d = distance the bowling ball has fallen = ?

g = acceleration due to gravity acting on the ball by earth = 9.8 m/s²

t = time of fall for the ball = 3.0 s

distance the ball has fallen is given as

d = (0.5) g t²

inserting the above values in the equation above

d = (0.5) (9.8 m/s²) (3.0 s)²

d = (0.5) (9.8 m/s²) (9.0 s²)

d = (4.9 m/s²) (9.0 s²)

d = 44.1 m

hence the distance fallen by the ball comes out to be 44.1 m

Distance of a fall from rest = (1/2) (g) (Time²)

75 m = (1/2) (9.8 m/s²) (Time²)

75 m = (4.9 m/s²) (Time²)

Divide each side by (4.9 m/s²):

Time² = (75 m) / (4.9 m/s²)

Time² = (15.3) (s²)

Square-root both sides:

Time = 3.91 seconds

Final answer:

Using the equation for free fall under gravity, it takes approximately 3.91 seconds for a gargoyle statue to reach the ground when dropped from a height of 75 meters.

Explanation:

To calculate how long it takes for a gargoyle statue to reach the ground from a height of 75 meters, we can use the kinematic equation for freely falling objects under gravity (ignoring air resistance). The equation used to determine the time taken (t) is:

\( h = \frac{1}{2}gt^2 \)

Where:
h is the height from which the object falls (75 meters),
g is the acceleration due to gravity \(9.8\, m/s^2\) on Earth,
t is the time in seconds.

By rearranging the formula and solving for t we get:

\( t = \sqrt{\frac{2h}{g}} \)

Plugging in the values:

\( t = \sqrt{\frac{2 \times 75}{9.8}} = \sqrt{\frac{150}{9.8}} = \sqrt{15.30612} \approx 3.91 \text{ seconds} \)

Therefore, it takes approximately 3.91 seconds for the gargoyle to reach the ground.

Using the kinematic equation ;

vf²=vi²+2ad just rearrange for d;

vf²-vi²=2ad;

(vf²-vi²)/2a=d

Now plug the numbers in.

vf=24.2

vi=0

a=9.81=g

(24.2²-0²)/(2*9.81)=29.8 m.

Hello!

There is actually no 4th law. There is only 3. The gravitational law is not considered the 4th law.

Hope this helps! Have a lovely day! ~Pooch ♥

If you write down the formula for friction, you will get an answer.

Ff = u * N               Where N is a push down force that an object experiences.

                              u (mu) is a constant and has no units

It may not be accelerating and still experience friction. A is not correct.

Color and Density will not affect the frictional force. B is not so.

Buoyant forces are a different thing altogether. Generally friction has nothing to do with them. C is incorrect.

The last one is your answer. Technically mg should be the answer and not mass, but the second part is correct.

Answer:

12,740 N

Explanation:

The weight of the hyppogriff is given by:

[tex]W=mg[/tex]

where

m = 1300 kg is the hippogriff's mass

g = 9.8 m/s^2 is the acceleration due to gravity

Substituting the numbers into the equation, we get:

[tex]W=mg=(1300 kg)(9.8 m/s^2)=12,740 N[/tex]

The answer is 12,740  i just did test