Question: 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

(A) Zero
(B) \dfrac{ML^{2}}{k}
(C) \sqrt{MK}L
(D) \dfrac{KL^{2}}{2M}
Answer: Option (C)
Solution:

