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A body of mass 1 kg is thrown upwards wi...

A body of mass 1 kg is thrown upwards with a velocity `20 ms^(-1)`. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction ? (Take `g = 10 ms^(-2)`)

A

20 J

B

30 J

C

40 J

D

10 J

Text Solution

Verified by Experts

The correct Answer is:
A
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