A body of mass 12 kg is at the bottom of...

A body of mass 12 kg is at the bottom of a lake of depth 5 m. If the work done in raising the body to the water surface is 350 J, the specifice gravity of the body is

1.2

4.8

2.1

2.4

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AAKASH SERIES-WORK, POWER & ENERGY -PRACTICE EXERCISE (WORK)

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