Work Energy And Power Question 286

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

Options:

A) kL22M

B) MkL

C) ML2k

D) zero

Show Answer

Answer:

Correct Answer: B

Solution:

[b] 12Mv2=12kL2
v=kML

Momentum =M×v=M×kM.L

=kM.L



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