A spring having a spring constant of 1200 N/m is mounted on a horizontal table as shown in the figure. 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. The frequency of oscillations will be:
    

1. \(3.0~\text{s}^{-1}\) 2. \(2.7~\text{s}^{-1}\)
3. \(1.2~\text{s}^{-1}\) 4. \(3.2~\text{s}^{-1}\)
Subtopic:  Spring mass system |
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