A rocket consumes 20 kg fuel per second. The exhaust gases escape at a speed of 1000 ms^(-1) relative to the rocket. Calculate the upthrust received by the rocket. Also calculate the velocity acquired by the rocket, when its mass reduces to (1/100)th of its initial mass.

A rocket consumes 20 kg fuel per second. The exhaust gases escape at a

1.	A rocket consumes 20 kg fuel per second. The exhaust gases escape at a speed of 1000 ms^(-1) relative to the rocket. Calculate the upthrust received by the rocket. Also calculate the velocity acquired by the rocket, when its mass reduces to (1/100)th of its initial mass.
Answer» Answer :`2 XX 10^(4)` N, 4.606 km/s