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xz_007 [3.2K]
3 years ago
5

Suppose the initial kinetic energy and final potential energy in an experiment are both zero. What can you conclude?

Physics
2 answers:
faltersainse [42]3 years ago
4 0
At the beginning it is not moving and at the end it is on the ground or the bottom of a hill.
puteri [66]3 years ago
3 0

Answer:

That an item is neither moving nor staying still in a position that is building up energy.

Explanation:

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Trial 1: Get a textbook and put a sheet of paper on top of it. Fold the paper as needed to keep the paper from sticking over the
siniylev [52]

Answer:

1)  the two objects reach the floor at the same time.

2)the book reaches the floor much earlier than the foil

In conclusion, the difference in motion between the two systems subjected to the same acceleration depends on the weight of the body and friction force, when the body has less weight, the friction of the air affects it more

Explanation:

This interesting experiment has the following results

1) first case. Sheet on top of book

In this case the two objects reach the floor at the same time.

This shows that the acceleration in the two objects is the same and we call it the acceleration of gravity.

The speed of the body increases as it goes down linearly.

This occurs because the book that receives air resistance is much heavier, so the resistance has almost no effect on its movement, the sheet does not have the air resistance because it goes down next to the book.

2) second case. Book and sheet next to each other.

In this case the book reaches the floor much earlier than the foil.

This is because the resisting force of the air has almost no effect on the book and its movement is little affected by this force.

In the case of the blade, it has very little weight, therefore as its speed increases, the resistance force of the air rapidly equals the weight of the blade.

           W_sheet - fr = 0

so after this, since the acceleration is zero, it goes down at constant speed, this speed is called the terminal velocity.

In conclusion, the difference in motion between the two systems subjected to the same acceleration depends on the weight of the body and friction force, when the body has less weight, the friction of the air affects it more.

3 0
2 years ago
PLEASE Please HELP ME...
cupoosta [38]

Answer:

girl this easy ask yo teacher for help lol

7 0
2 years ago
Explanation's of E=MC²
natita [175]

Answer:

E means energy

M= Mass

C=speed of light squared (the exponent means squared)

4 0
3 years ago
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Place your hands on the side of your head, with your palms facing forward. This should look like you have given yourself large e
nirvana33 [79]

Answer:

the solar system

Explanation:

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3 years ago
Q.1 Newton's second law gives the measure of--------------. 1)Acceleration 2) Force 3) Momentum 4)Angular momentum​
posledela

Answer:

1. Acceleration

Explanation:

Newtons Second law gives the measure of acceleration

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