How to calculate the kinetic energy in joules

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A.Calculate the kinetic energy in joules of a 1400kg automobile moving at 12m/s B.Convert this energy to calories C. What happens to this energy when the automobile brakes to a stop

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How to calculate the kinetic energy in joules : Calculate the kinetic energy in joules of a 1400kg automobile moving at 12m/s. Convert this energy to calories. What happens to this energy when the automobile brakes to a stop
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