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Physics, 09.03.2020 22:54 paco38

A child with a weight of 230 N swings on a playground swing attached to 1.90 m long chains. What is the gravitational potential energy (in J) of the child-earth system relative to the child's lowest position at the following times?

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A child with a weight of 230 N swings on a playground swing attached to 1.90 m long chains. What is...
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