A 6000 kg rocket is set for vertical firing. If the exhaust speed is 1000 m/sec. How much gas must be ejected each second to supply the thrust needed to overcome the weight of rocket.
(consider g=9.8m/s2 acceleration due to gravity )
A
6kg/sec
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B
60kg/sec
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C
600kg/sec
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D
6000kg/sec
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