A 34.5-kg child is on a swing attached to ropes that are L=1.29 m long. Take the zero of the gravitational potential energy to be at the position of the child when the ropes are horizontal.a) Determine the child's gravitational potential energy when the child is at the lowest point of the circular trajectory.-436.6 JYou are correct.Your receipt no. is 157-4178 ?Previous Triesb) Determine the child's gravitational potential energy when the ropes make an angle of 45.0° relative to the vertical.312.84 JSubmit AnswerIncorrect. Tries 7/99 Previous Tries

We will first write the expression for gravitational potential energy. We then apply it to given…

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