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Calcualte the increase in mass when a bo...

Calcualte the increase in mass when a body of rest mass 1 kg is lifted up through 1 m near the earth's surface.

Text Solution

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The increase in energy = mgh
` = (1kg) (9.8 m s ^(-2) ) (1 m) = 9.8 J. `
The increase in mass `= 9.8 J / c^(2) `
= 1.11 xx 10^(-16)kg`.
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