A 50-kg sack is lifted 2 meters in the same time as a 25-kg sack is li – McqOptions

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1.	A 50-kg sack is lifted 2 meters in the same time as a 25-kg sack is lifted 4 meters. The power expended in raising the 50-kg sack compared to the power used to lift the 25-kg sack is ?
A.	twice as much
B.	half as much
C.	the same.
D.	None of these
Answer» D. None of these

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