A 0.140-kg baseball is dropped and reaches a speed of 1.20 m/s just before it hits the ground and bounces. It rebounds with an upward velocity of 1.00 m/s. What is the change of the ball's momentum during the bounce

The change of ball's momentum is 0.308

Explanation:

Given:

Mass of baseball m

Downward velocity

Upward velocity

Here we have to find change in momentum,

Momentum is given by,

Downward momentum is given by

Upward momentum is given by,

So change of the ball's momentum is given by,

Therefore, the change of ball's momentum is 0.308

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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