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16.03.2020 •
Physics
A 30 kg child climbs 15 meters up a tree. When he looks around, when is the child’s potential energy ?
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Ответ:
Gravitational potential energy of the child = 4410 J.
Explanation:
Given data:
Mass of the child,
Mass of the child,
The gravitational potential energy of the child at 15 m height can be given as,
Ответ: