A 360-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational potential energy of the child–Earth syst

Question

A 360-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational potential energy of the child–Earth system relative to the child’s lowest position at the following times.

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Ben Gia 4 years 2021-09-02T21:07:10+00:00 1 Answers 9 views 0

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  1. thugiang
    0
    2021-09-02T21:08:33+00:00
    Reply

    Answer:

    684J

    Explanation:

    So basically the formula for gravitational potential energy is Mass X Gravity X height. That is G.p.e = mgh

    We don’t have the mass but since we have the height, we multiply directly with the height since the quantity of weight is already given.

    so G.p.e = 360 X 1.9 = 684J

    Note that; The answer is in joules because g.p.e is work done.

    Hope that was helpful!!

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