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A crane raises 75.0 kg of bricks from the ground to a height of 45.0 m in 52.0 s at a constant speed. The average power of the crane is 649 W. C. 144 W. B. 14.4 W. D. 3,375 W.

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A crane raises 75.0 kg of bricks from the ground to a height of 45.0 m in 52.0 s at a constant speed. The average power of the crane is 649 W. C. 144 W. B. 14.4 W. D. 3,375 W.

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Question Text	A crane raises 75.0 kg of bricks from the ground to a height of 45.0 m in 52.0 s at a constant speed. The average power of the crane is 649 W. C. 144 W. B. 14.4 W. D. 3,375 W.
Topic	All topics
Subject	Physics
Class	Class 11

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