A bullet of 4 g mass is fired|CENTRE OF MASS|JEEMAIN 2021

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JEE MAIN 2021

22-07-21 S2

Question

A bullet of ' 4 g ' mass is fired from a gun of mass 4 kg . If the bullet moves with the muzzle speed of $50 \mathrm{~ms}^{-1}$, the impulse imparted to the gun and velocity of recoil of gun are:

Select the correct option:

A

$0.4 \mathrm{~kg} \mathrm{~ms}^{-1}, 0.1 \mathrm{~ms}^{-1}$

B

$0.2 \mathrm{~kg} \mathrm{~ms} \mathrm{~ms}^{-1}, 0.05 \mathrm{~ms}^{-1}$

C

$0.2 \mathrm{~kg} \mathrm{~ms}^{-1}, 0.1 \mathrm{~ms}^{-1}$

D

$0.4 \mathrm{~kg} \mathrm{~ms}^{-1}, 0.05 \mathrm{~ms}^{-1}$

✓ Correct! Well done.

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Solution

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