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

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Explanation

Correct Option
b

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Discussions (7)

Destinedtowin
4 years ago

THRUST=momentum
=Mass × velocity

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

Sensei
4 weeks ago

thrusts = momentum

jpstar
10 years ago

TRUST=mass÷volume

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