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Statement of a problem № 3180

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A 5000 kg rocket is to be fired vertically. Calculate the rate of ejection of gas at exhaust speed 100 m/s in order to provide necessary thrust to (a) support the weight of the rocket and (b) impart an initial upward acceleration of 2 g.

Solution:
A 5000 kg rocket is to be fired vertically. Calculate the rate of ejection of ga

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