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When a mass m is attached to a spring, i...

When a mass m is attached to a spring, it normally extends by 0.2 m . The mass m is given a slight addition extension and released, then its time period will be

A

`(1)/(pi) s`

B

`(2pi)/(7) s`

C

7 s

D

`(1)/(7) s`

Text Solution

Verified by Experts

The correct Answer is:
B
`T=2pisqrt((x)/(g))=2pisqrt((0.2)/(9.8))=(2pi)/(7)s`
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