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An underformed spring of spring constant...

An underformed spring of spring constant k is connected to a bead of mass m which can move along a frictionless rod as shown in the figure. If the particle strikes the bead at an angle of `45^(@)` with the horizontal and sticks to it, then the maximum elongation of the spring after the collision is

A

`v/4sqrt(m/(2k))`

B

`v/2sqrt(m/(k))`

C

`v/2sqrt(m/(2k)`

D

`v/4sqrt(m/k)`

Text Solution

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The correct Answer is:
B
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