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A 350 N child is in a swing attached to rope 1.75m long. Find the gravitational PE associated with the child relative to her lowest position when the ropes make a 30 degree angle with the vertical

  • physics -

    Gravitational potential energy is given by mgh
    where h=difference in elevation

    For the given case,
    radius,r =1.75m

    Can you take it from here?

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