Question

You drop a ball from a height of 1.7 m , and it bounces back to...

You drop a ball from a height of 1.7 m , and it bounces back to a height of 1.3 m .

Part A

What fraction of its initial energy is lost during the bounce?

Part B

What is the ball's speed just before the bounce?

Express your answer to two significant figures and include the appropriate units.


Part C

What is the ball's speed just after the bounce?
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