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Work Done by Constant Force A body of ma...

Work Done by Constant Force A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction (g = 10 m/s2) [CBSE PMT 2009] (a) 20 J (6) 30 J (c) 40 J (d) 10 J Inf mass 5kg is resting on a smooth surface. At what tod nn the body so that it will

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

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 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 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) )