The rate of mass of the gas emitted from rear of a rocket is initially 20 kg/s. If the speed of the gas relative to the rocket is 800 m/s and mass of rocket is 1000 kg, then the initial acceleration of the rocket is (Take g = 10 m/s2)
(1) 4 m/s2
(2) 16 m/s2
(3) 6 m/s2
(4) 12 m/s2
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1
Answer:
2.16m/s2................
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Answer:
3 no is the answer ,......
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