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A body of mass 1 kg thrown with a veloci...

A body of mass 1 kg thrown with a velocity of 10m/s comes to rest ( momentarily) after moving up by 4 m. The work done by air drag in this process is ( Take `g=10m//s^(2)`)

A

`-20 J`

B

`10 J`

C

`-30 J`

D

0 J

Text Solution

Verified by Experts

The correct Answer is:
B
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