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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

A body of mass 1 kg of thrown upwards with a velocity 20 m/s. It momenetarily comes to rest after attaining a height of 18m. How much energy is lost due to air friction ? $(g=10m/s^{2})$


( A ) 10 J
( B ) 20 J
( C ) 40 J
( D ) 30 J

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