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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? `(g = 10 ms^(-2))`

A

20J

B

30J

C

40J

D

10J

Text Solution

Verified by Experts

The correct Answer is:
a
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