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If the force on a rocket, moving with a velocity of 300 m/s is 210 N, then the rate of combustion of the fuel is

(a) 0.07 kg/s

(b) 1.4 kg/s

(c) 0.7 kg/s

(d) 10.7 kg/s
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Best answer

Ans : (c) 0.7 kg/s

Explanation:

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