A stone of mass 0 5kg is dropped from a height ... - WAEC Physics 2009 Question
A stone of mass 0.5kg is dropped from a height of 12m. Calculate its maximum kinetic energy. [g = 10ms-1]
A
3.0J
B
6.0J
C
30.0j
D
60.0J
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Correct Option: D
K.E = P.E = mgh
= 0.5 x 10 x 12 = 60J
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