Homework Help: Physics

Posted by Linda on Tuesday, November 16, 2010 at 2:21am.

A 21.0 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.0 m/s.

How much thermal energy due to friction was generated in this process?

Physics - bobpursley, Tuesday, November 16, 2010 at 7:36am
Initial PE = Final KE + frictionallosses
mgh=1/2 m vf^2 + losses
solve for losses.

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