A bullet is fired from the gun. It hits the solid block resting on a frictionless surface, gets embedded…

A bullet is fired from the gun. It hits the solid block resting on a frictionless surface, gets embedded into it and both move jointly. In this process,
  1. Both momentum and kinetic energy are not conserved.
  2. Only kinetic energy is conserved.
  3. Bot the momentum and kinetic energy are conserved.
  4. Only momentum is conserved.

Solution

Concept based. This is a case of a perfectly inelastic collision in which linear momentum is conserved but kinetic energy is not conserved.

Asked in: MHT CET 2022 (07 Aug Shift 2)

Practice more Center of Mass Momentum and Collision questions on Aicharya