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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

12.25kg/2

B

0.7kg/s

C

1.4kg/s

D

2.7kg/s

Text Solution

Verified by Experts

The correct Answer is:
A
`(dm)/(dt)=(210)/(300)=0.7kg//s`
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ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-II
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