Physics > 2001 > 7
JAMB UTME
A stone of mass 1kg is dropped from a height of 10m above the ground and falls freely under gravity. Its kinetic energy 5m above the ground is then equal to
A.
its kinetic energy on the ground.
B.
half its initial potential
C.
its initial potential energy.
D.
twice its initial potential energy.
Answer: B
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