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At a certain instant of time, the mass of a rocket going up vertically is 100kg. If it is ejecting 5kg of gas per second at a speed of `400m//s`, the acceleration of the rocket would be (taking `g=10m//s^(2)`)

A

`20m//s^(2)`

B

`10m//s^(2)`

C

`2m//s^(2)`

D

`1m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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