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April 25, 2015

Homework Help: physics

Posted by Joe on Monday, October 4, 2010 at 12:13am.

A 100-N child is in a swing that is attached to ropes 1.90 m long. Find the gravitational potential energy (b) when the ropes make a 35.0 angle with the vertical
c) when the child is at the bottom of the circular arc

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