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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

30J

B

40J

C

10J

D

20J

Text Solution

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