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A rocket of mass 1000 kg exhausts gases at a rate of 8kg/sec with a velocity of V m/s. The thrust developed on the rocket is 32000 N. Find the velocity of gas (in m/s).

Option: 1
4000

Option: 2
2000

Option: 3
8000

Option: 4
3000

Answers (1)

best_answer

$F= u \frac{dm}{dt}\Rightarrow 32000= u \times 8$

$u =4000 m/s$

Posted by

sudhir kumar

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