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May 22, 2015

Homework Help: Physics

Posted by Anonymous on Tuesday, January 18, 2011 at 10:07pm.

A 40 kg child sits in a swing suspended with 2.5 m long ropes. The swing is held aside so that the ropes make an angle of 15 degrees with the vertical. Use the conservation of mechanical energy to determine the speed the child will have at the bottom of the arc when she is let go.

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