The K.E. of a 1000kg car moving at a speed of 80 km/hr, will be: A. 2.47* 108 J B. 2.47% 10% J C. 24.7% 107J D. 24.7x 103 J
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Explanation:
ke= 1/2 mv^2
= 1/2 *1000 * (80*5/18 )^2
=246913 joules approx
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