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A Stone of Volume 1 ×\times 10-2 M3 Lies at the Bottom of a Freshwater Lake

Question 65

Multiple Choice

A stone of volume 1.42 ×\times 10-2 m3 lies at the bottom of a freshwater lake.If the rock's specific gravity is 3.5,the work required to lift it 1 m through the water is approximately


A) 487 J
B) 139 J
C) 348 J
D) 223 J
E) 469 J

Correct Answer:

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