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June 30, 2015

Homework Help: physics

Posted by Kim on Friday, October 30, 2009 at 12:15am.

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?

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