Physics, asked by kanchansingh9215, 11 months ago

How heavy is a rock if it requires 450 joules of work to lift it 3.8 meters?

Answers

Answered by awaisanwar492

9

Answer:

118 kg

Explanation:

w = 450 j , d = 3.8 m

w = mgh ⇒mg = w / h ⇒m = 450/3.8 = 118 kg

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