Multiple Choice
Both a 50-kg sack is lifted 2 meters from the ground and a 25-kg sack is lifted 4 meters in the same time.The power expended in raising the 50-kg sack is
A) twice as much.
B) half as much.
C) the same.
D) impossible to predict without further information
Correct Answer:
Verified
Correct Answer:
Verified
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