an object of mass 5kg is dropped from a height of 10m.find its kinectic energy ,when it is half way down
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K.e. = 1/2 mgh ( in this case as the ball is being dropped )
= 1/2 * 5 kg* 9.8 (ms -2 )* 10m
= 245 joules
= 1/2 * 5 kg* 9.8 (ms -2 )* 10m
= 245 joules
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