Multiple Choice
A 50-kg sack is lifted 2 m in the same time as a 25-kg sack is lifted 4 m.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.
Correct Answer:
Verified
Correct Answer:
Verified
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