In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s . The velocity of the gases ejected from the rocket is `5xx10^(4)m//s`. The thrust on the rocket is

Options

A. `2 xx 10^(3) N`
B. `5 xx 10^(4)` N
C. `2 xx 10^(6)N`
D. `2 xx 10^(9)N`

Answer

C

Explanation

`F =v (dm)/(dt) = 5 xx 10^(4) xx 40= 2 xx 10^(6)` N