Physics
NECO 2009
A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms
-2)
-
A.
2J
-
B.
20J
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C.
100J
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D.
1000J
-
E.
2000J
Correct Answer: Option A
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