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A rocket consumes 20 kg fuel per second....

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. When its mass is 1/100 of the initial mass.

A

`2 xx 10^(4) N, 4.6 Km//s`

B

`2 xx 10^(6) N, 5.3 Km//s`

C

`4 xx 10^(2) N, 4.6 Km//s`

D

`4 xx 10^(6) N, 5.3 Km//s`

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The correct Answer is:
A
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