The block of mass \( M \) moving on the frictionless horizontal surface collides with the spring...

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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
[AIEEE 2005]
(a) Zero
(b) \( \frac{M L^{2}}{K} \)
(c) \( \sqrt{M K} L \)
(d) \( \frac{K L^{2}}{2 M} \)
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