The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant K and compresses it by length L. The maximum momentum of the block after collision is

Q: The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant K and compresses it by length L. The maximum momentum of the block after collision is

Numerical

(a) $\frac{M L^2}{K}$

(b) zero

(c) $\frac{K L^2}{2 M}$

(d) $\sqrt{M K L}$

Ans: (d)