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14 January, 01:01

A 1000 KG car has 50,000 joules of kinetic energy. What is the speed?

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  1. 14 January, 02:54
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    KE=1/2mv^2

    50000 = (0.5) (1000) v^2

    v^2=50000/500

    v^2=100

    v=10 ms^-1
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