A 36 N toy is placed in a light swing that is attached to ropes 1.5 m long.?

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cat m

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(a) Find the gravitational potential energy associated with the toy relative to its lowest position when the ropes are horizontal.
J
(b) Find the gravitational potential energy associated with the toy relative to its lowest position when the ropes make a 30° angle with the vertical.
J
(c) Find the gravitational potential energy associated with the toy relative to its lowest position at the bottom of the circular arc.
J
 
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