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a 20 kg rock is on the edge of a 100 m cliff . the rock falls from the cliff , what is its kinetic energy just before it hits the ground ?

  • physics -


    H = 100 m
    M = 20 kg
    g = 9.8 m/s^2

    The answer will be in Joules.

  • physics -

    can you give me the answer

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