A $100 \,g$ mass stretches a particular spring by $9.8 \,cm$, when suspended vertically from it. ....... $g$ large a mass must be attached to the spring if the period of vibration is to be $6.28 \,s$.

  • A

    $1000$

  • B

    $10^5$

  • C

    $10^7$

  • D

    $10^4$

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