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Sholpan [36]
3 years ago
5

2. Place the pairs in order from weakest to strongest gravitational force. (Brainpop Gravity Challenge)

Physics
1 answer:
FromTheMoon [43]3 years ago
3 0

Answer:

B, A, C, D

Explanation:

i hope it helps. im just kinda guessing.

good luck!°°°°°⁰⁰⁰⁰⁰₀₀₀₀₀oo00OO

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At what point does the ball have the most gravitational potential energy?
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Point C. at this point, which is the highest point, all of the ball’s energy is gravitational potential energy.
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2 years ago
A golfer strikes a 0.059-kg golf ball with a force of 290 N. If the ball moves with a velocity of 69 m/s,
Ymorist [56]

Answer:

0.014s

Explanation:

Given parameters:

mass of golf ball  = 0.059kg

force applied  = 290N

velocity = 69m/s

initial velocity  = 0m/s

Unknown:

Time of contact  = ?

Solution;

We know that momentum is the quantity of motion of body possess;

  Momentum  = mass x velocity

  Momentum  = 0.059 x 69  = 4.1kgm/s

Also; impulse is the effect of the force acting on a body;

  impulse  = force x time  = momentum

  So;

            Force x time  = momentum

                  Time  = \frac{momentum}{force }    = \frac{4.1}{290}    = 0.014s

 

 

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Which of the following best represents a decomposition reaction?
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Answer: AB-> A+B

Explanation:

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