An undeformed 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
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Conserving the linear momentum of the system along the rod mv cos 45° = 2mv 1
Applying work-energy theorem
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