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3 January, 04:44

A 70.0-kilogram man is walking at a speed of 2.0 m/s. What is his kinetic energy?

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  1. 3 January, 05:08
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    KE : 1/2mv^2

    KE: 1/2 x 70 (2^2)

    KE: 1/2 x 70 x 4

    = 1/2 x 280

    280 x 1/2 = 140

    Therefore, the man's kinetic energy is 140J.
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