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A particle of mass m is attached to thre...

A particle of mass m is attached to three identical massless springs of spring constant 'k' as shown in the figure. The time period of vertical oscillation of the particle is

A

`2pisqrt(m//k)`

B

`2pisqrt(m/(2k))`

C

`2pisqrt((m)/(3k))`

D

`pisqrt(m//k)`

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