Physics > 2011 > 9
WASSCE
A stone of mass 300g is released from rest from the top of a building of height 100m. Determine the kinetic energy gained by the stone when it is quarter way down from the point of release (g = 10ms-2).
A.
750.0J
B.
225.0J
C.
75.0J
D.
22.5J
Answer: C
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