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22 December, 12:52

A 600kg car is at rest, and then accelerates to 5n/s what is the original kinetic energy?

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  1. 22 December, 13:02
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    M = 600 kg

    u = 0 (as the car was at rest initially)

    v = 5 m/s

    Initial kinetic energy = ½mu²

    = ½*600*0

    = 0

    Final kinetic energy = ½mv²

    = ½*600*25

    = 7500 J
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