Monday
March 30, 2015

Homework Help: Physics

Posted by George on Saturday, January 10, 2009 at 6:19pm.

A ball moves at 33m/s through a wall of donuts 31 cm thick. It comesout of the donut wall at 18 m/s. How much time does it spend in the wall of donuts? How thick would the wall of dounts need to be to stop the ball entirely?

Is the answer 1.3 secondsand the wall would need to be 27 cm thick?

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