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A ring of mass m slide over a smooth ver...


A ring of mass m slide over a smooth vertical rod. The ring is connected to spring of force constant `K=(4mg)/(R )` where 2 R is the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance 2 R from the base of the rod. The mass is released at a height of 1.5 R from ground.
Q. The velocity of the righ as it reaches the ground.

A

`sqrt(gR)`

B

`2sqrt(gR)`

C

`sqrt(2gR)`

D

`sqrt(3gR)`

Text Solution

Verified by Experts

The correct Answer is:
B
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