A ball hits the ground with a momentum \(\vec p\) and bounce back – InterviewSolution

1.

A ball hits the ground with a momentum \(\vec p\) and bounce back with the same magnitude of momentum. Find the change in momentum.

Answer»

Initial momentum = \(\vec p\)

Final momentum = - \(\vec p\)

Change in momentum = Δ p

= - \(\vec p\)- \(\vec p\)= -2 \(\vec p\).

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