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A diwali rocket is ejecting 0.05kg of ga...

A diwali rocket is ejecting `0.05kg` of gases per second at a velocity of `400m//sec`. The accelerating force on the rocket is

A

22 dyne

B

20 N

C

20 dyne

D

100 N

Text Solution

Verified by Experts

The correct Answer is:
B
`F = u (dm)/(dt) = 400 xx (50)/(1000) = 20 N`
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