Physics Practice Problems Net Work & Kinetic Energy Practice Problems Solution: A batter hits a baseball with mass 0.150 kg strai...

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Solution: A batter hits a baseball with mass 0.150 kg straight upward with an initial speed of 28.0 m/sHow much work has gravity done on the baseball when it reaches a height of 26.0 m above the bat?Use the work-energy theorem to calculate the speed of the baseball at a height of 26.0 m above the bat. You can ignore air resistance.Does the answer to part B depend on whether the baseball is moving upward or downward at a height of 26.0 m ?Explain.

Problem

A batter hits a baseball with mass 0.150 kg straight upward with an initial speed of 28.0 m/s

How much work has gravity done on the baseball when it reaches a height of 26.0 m above the bat?

Use the work-energy theorem to calculate the speed of the baseball at a height of 26.0 m above the bat. You can ignore air resistance.

Does the answer to part B depend on whether the baseball is moving upward or downward at a height of 26.0 m ?

Explain.