When a mass of 0.350 kg is attached to a vertical spring and lowered slowly, the spring stretches 12.0 cm. The mass is now displaced from its equilibrium position and undergoes simple harmonic oscillations. What is the period of the oscillations

The period is

Explanation:

From the question we are told that  

    The mass is

     The extension of the spring is  

The spring constant for this is mathematically represented as

Where F is the force on the spring which is mathematically evaluated as

So  

The period of oscillation is mathematically evaluated as

substituting values

no

sodium is solid at rt