Physics-Impulse & Momentum

NEET Physics Impulse & Momentum MCQ Question

Type: MCQ-numerical-Medium-Class 11

A shell of mass 0.020 kg is fired by a gun of mass 100 kg with a muzzle speed of 80 m/s. What is the recoil speed of the gun?

A

0.016 m/s

B

0.020 m/s

C

0.032 m/s

D

0.040 m/s

Correct Answer

Option A

Detailed Explanation

Using conservation of momentum from the NCERT context, the total momentum before and after firing remains zero. Therefore, 0.020 kg * 80 m/s = 100 kg * v, solving gives v = 0.016 m/s.

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