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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

Simran Bhatia , 11 Years ago
Grade 11
anser 2 Answers
Navjyot Kalra

Last Activity: 11 Years ago

(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    

Hrishant Goswami

Last Activity: 11 Years ago

(c)

Velocity of the rocket (u) = 300 m/s and force (F) = 345N.

Rate of combustion of fuel

 

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