Asked by Anonymous

f a 57.0 g tennis ball is traveling horizontally at 72.0 m/s (which does occur), and a 55.0 { kg} tennis player leaps vertically upward and hits the ball, causing it to travel at 48.0 m/s in the reverse direction, how fast will her center of mass be moving horizontally just after hitting the ball?

Answers

Answered by drwls
This question was asked and answered yesterday. Just use conservation of momentum, as I explained earlier. I explained it all the way to the next-to-last step.

Our teachers will gladly show you how to do problems such as this, but not do them for you in their entirety.
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