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A massless spring of length l and spring...

A massless spring of length l and spring constant k is placed vertically on a table. A ball of mass m is just kept on top of the spring. The maximum velocity of the ball is

A

`gsqrt((m)/(k))`

B

`gsqrt((2m)/(k))`

C

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

D

`gsqrt((m)/(2k))`

Text Solution

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The correct Answer is:
A
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