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zheka24 [161]
2 years ago
7

A cannonball is shot up in the air with a vertical speed of 24 miles what is the cannon balls vertical speed just before it hits

the ground?
Physics
1 answer:
meriva2 years ago
8 0

Answer:

I think it will back towards the earth because earth gravitional field will attract to Wards

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A construction crane, like the one shown, has a power output of 1,500 watts. If it takes 200 seconds to lift the roof to the top
Likurg_2 [28]

Answer:7.5j

Explanation:

P=w/s

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3 years ago
An object is moving across a surface, but it is not gain or lose speed. Which best describes the objects force?
raketka [301]

Answer:

Gravity. An object is moving across a surface, but it does not gain or lose speed.

Explanation:

The basic idea. Physicists see gravity as one of the four fundamental forces that govern the universe, alongside electromagnetism and the strong and weak nuclear forces.

Hope it helps! Brainliest?

3 0
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Which of the following is a pair of vector quantities?
hammer [34]

Answer:

velocity and displacement answer

Explanation:

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3 years ago
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Explain why more stars are circumpolar for observers at higher latitudes.
PIT_PIT [208]

Explanation:

When you observe the night sky you will notice that the stars are moving. They rise from eastern horizon and set in the western horizon. It happens due to rotation of Earth. When observed closely you will notice that the all the stars seem to go around the pole star. Out of all the stars there are some stars which neither set not rise, such stars are called as Circumpolar stars. This means that they are always above the horizon. If we trace the path of such stars they will appear to make complete circle around the pole star.

Also, you will notice that the altitude of pole star (separation of pole star from the horizon in degrees) will depend on the location of observe on the Earth. This happens due to Earth being spherical. So if you are on equator the pole star will be on the horizon i.e. 0° altitude. If you are at Poles, altitude of the pole star will be 90°. Technically the altitude of pole star at any place on Earth is equal to the latitude of the place.

If the altitude of pole star varies and increases as you move towards higher latitude on Earth, the distance between horizon and pole star will also increase. This will result in more stars being circumpolar.

If you are at Poles, all the stars will be circumpolar and if you are at equator no star will be circumpolar.

8 0
3 years ago
Hey what is magnetic field<br><br><br><br><br><br><br>​
natima [27]

Answer:

<h3>A magnetic field is a picture that we use as a tool to describe how the magnetic force is distributed in the space around and within something magnetic. Explain. Most of us have some familiarity with everyday magnetic objects and recognize that there can be forces between them.</h3>

Explanation:

<h2>Plz add as brainlist </h2>
8 0
2 years ago
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