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Umnica [9.8K]
3 years ago
10

1. What is the pull that all objects exert on each other?

Physics
1 answer:
Andrei [34K]3 years ago
8 0

Answer:

Im pretty sure 1 is gravity, 2 is force

Explanation:

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According to the video, what do Electrical Engineers usually study in college? Check all that apply.
Dmitry [639]

Answer:

Math & Science

Explanation:

You said so

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3 years ago
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3. As the ice melts into liquid water, what happens to the kinetic energy of the particles in the sample?
rusak2 [61]

Answer:

As ice melts into water, kinetic energy is being added to the particles. This causes them to be 'excited' and they break the bonds that hold them together as a solid, resulting in a change of state: solid -> liquid.

Explanation:

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2 years ago
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If you ride quickly down a hill on a bicycle your eardrums are pushed in before they pop back. Why is this?
Mice21 [21]

Answer:

<em>The difference in pressure between the external air pressure, and the internal air pressure of the middle ear.</em>

Explanation:

First of all, we should note that pressure decreases with height and increases with depth. The air within the middle ear (between the ear drum and the Eustachian tube) adjusts itself to respond to the atmospheric pressure, or when we yawn.  At a high altitude like on the hill, the air pressure in the middle ear, is fairly low (this is to balance the low air pressure at this height). While riding down the hill quickly, there is little time for the air pressure in the ear to readjust itself to the increasing external air pressure, causing the external air to push into the ear drum. Along the way, the air within the middle ear is adjusted by the opening of the Eustachian tube, allowing more air into the space in the middle ear to balance the external air pressure. This readjustment causes the ear to pop.

7 0
2 years ago
How many times does lightning strike the empire state building
Salsk061 [2.6K]

Answer:

Lightning strikes the empire state building at an average of about 23 times a year.

Explanation:

The Empire State Building is one of the tallest buildings in New York. Because of how high it stretches up into the sky, lightning strikes are quite common to it. This is because part of the building touches the clouds which are usually charged during thunder storms.

According to weather reports, and the Empire State Building website, lightning strikes the empire state building about 23 times a year on the average.

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A skier, starting from rest, slides down an icy frictionless 80o incline whose vertical height is 105 m. How fast are they going
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