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[" 31.In a rocket,fuel burns at the rate...

[" 31.In a rocket,fuel burns at the rate of "2kg/s" .This fuel gets ejected from the rocket with a velocity of "80km/s" ."],[" Force exerted on the rocket is "],[[" (1) "16,000N," (2) "1,60,000N," (3) "1600N," (4) "16N]]

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