Homework Help: physics

Posted by courtney on Monday, March 28, 2011 at 12:03pm.

The total energy of a 2.00 kg falling rock is 5000 J. If its potential
energy is 1975 J, the kinetic energy of the rock is ____ J.

The speed of the rock is ___ m/s

physics - Anonymous, Friday, May 20, 2011 at 1:47am
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