Homework Help: physics

Posted by jay on Friday, February 11, 2011 at 8:47pm.

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 3.2 m/s.
The acceleration of gravity is 9.81 m/s
2. What is the initial height of the bob?

physics - Anonymous, Friday, February 11, 2011 at 9:09pm
mgh=1/2 mv^2

intial PE=final KE

solve for h.

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