The rate of the gas emitted from rear of a ocket 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
(1) 4 m/s^2
(2) 16
(3) 6
(4) 12
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Answer:
(1) 4 m/s^2
Explanation:
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