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Figure shows a system consisting of a ma...

Figure shows a system consisting of a massles pulley, a spring of force constant `k` and a block of mass `m`. If the block is sligthtly displaced vertically down from its equilibrium and released, find the period of its vertical oscillation in cases (a) and (b).

A

`(pi)/(2)s`

B

`(pi)/(5)s`

C

`pis`

D

`(2pi)/(5)s`

Text Solution

Verified by Experts

The correct Answer is:
B
`T = 2pi sqrt((m)/(K_(eff))) , K_(eff) = 4K`
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