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If the force on a rocket moving with a velocity of 300 m/sec is 345N, then the rate of combustion of the fuel, is
(a) 0.55 kg/sec
(b) 0.75 kg/sec
(c) 1.15 kg/sec
(d) 2.25 kg/sec
(c)Velocity of the rocket (u) = 300 m/s and force (F) = 345N. Rate of combustion of fuel (dm/dt)=F/u=1.15 kg/sec
(c)
Velocity of the rocket (u) = 300 m/s and force (F) = 345N.
Rate of combustion of fuel
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