mass is consumed at the rate of 50kg/s in a rocket. find the thrust on the rocket if the velocity of the exhaust gases is 2km/s
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Answer:
equation of force
vr*dm/dt -mg =ma
2000*dm/dt-1000*10=1000*4.9
2000*dm/dt=1000+4900
2000*dm/dt=14900
dm/dt= 7.45kg per sec
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