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JEEMAIN PAST PAPERS
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2006
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Q)
A ball of mass 0.2 kg is thrown verticlly upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes upto 2 m height further, find the magnitude of the force, consider $g=10\; m/s^2$ :
( A ) 22 N
( B ) 20 N
( C ) 4 N
( D ) 16 N
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