# science

A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5-meter peak of the house.

How much energy was lost in the process?

The bounce takes place over a 170 ms time interval. What is the impulse given to the ball during this time?

1. 👍 0
2. 👎 0
3. 👁 103

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