Question

A rocket consumes 20 kg fuel per second. The exhaust gases escape at a speed of1000 ms- relative to the rocket. Calculate the upthrust received by the rocket. Also calculatethe velocity acquired. When its mass is 1/100 of the initial mass.1) 2 x 104N; 4.6 Km/s2) 2 x 106N;5.3 Km/s3) 4 x 102N;4.6 Km/s4) 4 x 10°N,5.3 Km/s​

Answer 1

Answer:

it's too hard question

so sorry...