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A rifle of 20kg mass can fire 4 "bullets...

A rifle of `20kg` mass can fire 4 "bullets"//"s". The mass of each bullet is `35 xx 10^(-3) kg` and its final velocity is `400ms^(-1)`., Then what force must be applied on the rifle so that it does not move backwards while firing the bullets ? .

A

80 N

B

28 N

C

`-112N`

D

`-56N`

Text Solution

Verified by Experts

The correct Answer is:
D
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