A ball is dropped from height 10. Ball in embedded in sand 1m and stops.
(A) Only momentum *** conserved.
(B) Only kinetic energy *** conserved.
(C) Both momentum and K.E. are conserved.
(D) Neither K.E. nor momentum is conserved.
Answer is (A) Only momentum **** conserved.*
It is a case of inelastic collision.
