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14 August, 02:37

A bob of mass of 0.18 kilograms is released from a height of 45 meters above the ground level. What is the balue of the kinetic energy gained by the bob at the ground level?

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Answers (2)
  1. 14 August, 03:16
    0
    not D. 8.1 Joules on clever/plato

    Explanation:

    i got it wrong
  2. 14 August, 05:11
    0
    K. E = mgh at bottom

    K. E = 0.18*10*45

    K. E = 81J

    K. E at the bottom will be equal to P. E at hight.
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