Asked by mssailormouth
A ball is dropped down to the floor and bounces back up to the same height. (we are assuming a "perfect" ball.) What is the change in the momentum?
the change would be ZERO right? If the momentum was zero to begin with then there is zero change.
the change would be ZERO right? If the momentum was zero to begin with then there is zero change.
Answers
Answered by
Damon
Yes,
gravity does positive work on the way down and negative on the way back up leading to net zero
gravity does positive work on the way down and negative on the way back up leading to net zero
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