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A spring balance has a scale that reads ...

A spring balance has a scale that reads 0 to 10 kg . The length of the scale is 10cm . A body suspended from this balance , when displaced and released , oscillates with period of `(pis)/(10)`. What is the mass of the body ? `(g=10ms^(-2))`

A

4.9 kg

B

9.8 kg

C

19.6 kg

D

14.7 kg

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A
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