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The force on a rocket moving with a velo...

The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate of consumption of fuel of rocket is

A

`0.7 kg//s`

B

`1.4kg//s`

C

`0.07kg//s`

D

`10.7kg//s`

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The correct Answer is:
D
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