Physics, 09.12.2019 18:31 herbal420medici

5.
a 28 kg child on a swing is traveling at 4.2 m/s and has 315 ) of total mechanical energy. what is his
gravitational potential energy? how high is he above the ground?

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5.
a 28 kg child on a swing is traveling at 4.2 m/s and has 315 ) of total mechanical energy....