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A 2000 kg rocket in free space expels 0....

A 2000 kg rocket in free space expels 0.5 kg of gas per second at exhaust velocity `"400 m s"^(-1)` for 5 s. The increase in the speed of the rocket in this time is

A

`2000 ms^(-1)`

B

`200 ms^(-1)`

C

`0.5ms^(-1)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
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