Laws of MotionMedium
Question
A 5000 kg. rocket is set for vertical firing the exhaust speed is 800 m/s to give an initial upward acceleation of 20 m/s2 the amount of gas ejected per second to supply the needed thrust will be:
Options
A.137.5 kg/s
B.185.5 kg/s
C.187.5 kg/s
D.127.5 kg/s
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