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Vsevolod [243]
3 years ago
8

Eric throws a basketball straight up into the air. As it rises, which form of energy is increasing? A. elastic potential energy

B. electrical energy C. gravitational potential energy D. kinetic energy
Physics
2 answers:
Art [367]3 years ago
7 0
I think it's kinetic energy
exis [7]3 years ago
5 0

Answer:

C) Gravitational potential energy

Explanation:

As ball is thrown upwards then we can say that speed of the ball will decrease as it will move upwards.

This is due to gravity which act opposite to the motion of the ball

So as the ball is thrown upwards the initial kinetic energy of the ball will start decreasing as it will move upwards

Here we also know that gravitational potential energy of the ball is given as

U = mgh

so as the ball start rising upwards the potential energy of the ball will increase

so here correct answer will be

C) Gravitational potential energy

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You throw a tennis ball straight up (neglect air resistance). It takes 7.0 seconds to go up and then return to your hand. How fa
sattari [20]

Answer:

Velocity of throwing = 34.335 m/s

Explanation:

Time taken by the tennis ball to reach maximum height, t = 0.5 x 7 = 3.5 seconds.

Let the initial velocity be u, we have acceleration due to gravity, a = -9.81 m/s² and final velocity = 0 m/s

Equation of motion result we have v = u + at

Substituting

             0 = u - 9.81 x 3.5

             u = 34.335 m/s

Velocity of throwing = 34.335 m/s

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Answer:

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Explanation:

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Answer:

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Explanation:

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3 0
2 years ago
Temperature is a measure of the average speed of the ____ of a thing.
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it is atoms and molecules

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