Question

A bullet hits and gets embedded in a solid block resting on a frictionless surface. In this process, which of the following is correct ?
A. Only momentum is conserved
B. Only kinetic energy is conserved
C. Neither momentum nor kinetic energy is conserved
D. Both, momentum and kinetic energy are conserved

Answer 1

Correct Answer - A
As the bullet gets embedded in the solid block, whole of its kinetic energy gets lost. This will be perfectly inelastic collision in which only momentum is conserved.