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A block of mass 0.2 kg is attached to a mass less spring of force constant 80 N/m as shown in figure. Find the period of oscillation. Take `g=10 m//s^(2)`. Neglect friction

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The correct Answer is:
A, C, D
`T = 2pi sqrt((m)/(k)) = 2pi sqrt ((0.2)/(80)) = (pi)/(10)s`
` = 0.314s`
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