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Q. 14.9 (i) A spring having with a spring constant  1200\; N\; m^{-1}  is mounted on a horizontal table as shown in Fig. 14.24. A mass of 3\; kg is attached to the free end of the spring. The mass is then pulled sideways to a distance of 2.0\; cm  and released.



(i) the frequency of oscillations,

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The frequency of oscillation of an object of mass m attached to a spring of spring constant k is given by

\\\nu =\frac{1}{2\pi }\sqrt{\frac{k}{m}}\\ \nu =\frac{1}{2\pi }\times \sqrt{\frac{1200}{3}}\\ \nu =3.183\ Hz

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