A rocket burns fuel at the rate of 10kgs-1 and ejects it with velocity of 5 x 103ms-1. The thrust exerted by the gas on the rock is
a
2.5 x 107N
b
5.0 x 104N
c
5.0 x 102N
d
2.0 x 10-3N
Explanation
Correct Option
bVideo Explanation
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Discussions (7)

Selume
5 years ago
The formula for thrust as stated above is mass × velocity / time... But I'm not seeing any time there

Lilyrebekah
1 year ago
when talking of a rocket
Thrust=m*dv/dt i.e mass *velocity allover time taken so the correct answer is B



