A 310-n child is in a swing that is attached to a pair of

Reference no: EM13645661

A 310-N child is in a swing that is attached to a pair of ropes 1.80 m long. Find the gravitational potential energy of the child-Earth system relative to the child's lowest position at the following times.

(a) when the ropes are horizontal

(b) when the ropes make a 31.0° angle with the vertical

Reference no: EM13645661

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