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A 20.6 kg object oscillates at the end of a vertical spring that has an elastic...

A 20.6 kg object oscillates at the end of a vertical spring that has an elastic constant of
2.05x104 N/m. The effect of air resistance is represented by the coefficient of
damping b = 300.0 Ns/m.
a) Calculate the angular frequency of the damped oscillation.
b) How much would the damping coefficient b have to be for there to be no oscillations?

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