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The time period of block of mass m is (A...

The time period of block of mass m is (Assume pulleys and string are massless)
.

A

`T=2πsqrt (m/k)`

B

`T=2π/3 sqrt(m/2k)`

C

`T=2π sqrt(4m/k)`

D

`T=π/3 sqrt(4m/k)`

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