Homework Help: Physics

Posted by Allie on Sunday, October 21, 2012 at 4:35pm.

A ball of moist clay falls 10.4 m to the ground. It is in contact with the ground for 20.5 ms before stopping.
(a) What is the average acceleration of the clay during the time it is in contact with the ground?
(Treat the ball as a particle.)
m/s2

(b) Is the average acceleration up or down?

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