A rocket of total mass 6000 kg (mass of fuel is 5000 kg) is to be launched vertically upwards. If the rate of con- sumption of the fuel is 60 kg.s-1 , find the minimum velocity of ejection of gas so that the rocket can start its upward motion as soon as the gas is ejected. What will be the impulse at that time? (g = 9.8 m. s-2)
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cau you explain me this pls I don't
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