A force of 6.4 N stretches a vertical sp...

A force of 6.4 N stretches a vertical spring by 0.1 m. The mass (in kg) that must be suspended from the spring so that it oscillates with a time period of `(pi)/(4)` second.

`(pi)/(4)kg`

`(4)/(pi)kg`

1 kg

10 kg

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