Saturday
October 25, 2014

Homework Help: Physics

Posted by Lindsay on Thursday, October 4, 2007 at 3:47pm.

A golf ball released from a height of 1.80 m above a concrete floor, bounces back to a height of 1.06 m. If the ball is in contact with the floor for 4.62 ms, what is the magnitude of the average acceleration a of the ball while it is in contact with the floor?

Do I need to know the velocity in order to solve this? I'm completely lost.

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