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WAEC - Physics (2009 - No. 13)

A stone of mass 0.5kg is dropped from a height of 12m. Calculate its maximum kinetic energy. [g = 10ms-1]
3.0J
6.0J
30.0j
60.0J

説明

K.E = P.E = mgh

= 0.5 x 10 x 12 = 60J

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