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16 February, 23:45

Neglecting friction, if a pendulum bob has 100 joules of kinetic energy at the bottom of its swing, how much potential energy does it have at the top of its swing?

A) 0 J

B) 50 J

C) 100 J

D) 200 J

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Answers (1)
  1. 17 February, 02:53
    0
    B) 50 J because it had less energy at the beginning than the end
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