Homework Help: Physics

Posted by B on Sunday, September 30, 2012 at 4:40pm.

A 350 N child is in a swing that is attached to a 7.50 m long rope. find the gravitational potential energy associated with the child relative to her lowest position when a) the ropes are horizontal, (b) the ropes make a 30 degree angle with the vertical, and (c) the child is at the bottom of the circular arc.

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