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A spring balance has a scale that reads ...

A spring balance has a scale that reads `0` to `20kg`. The length of the scale is `10cm`. A body suspended from this balance, when displaced and released, oscillates with period of `(pi)/(10)s`. The mass of the body is

A

`2.45 kg`

B

`4.9 kg`

C

`9.8 kg`

D

`19.6 kg`

Text Solution

Verified by Experts

The correct Answer is:
B
`T = 2pi sqrt((m)/(K)), Mg = KL, g =9.8 ms^(-2)`
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