Question: A 2.4-kg object is attached to a horizontal spring of force constant k = 4.5kN/m. The spring is stretched 10 cm from equilibrium and released.

A 2.4-kg object is attached to a horizontal spring of force constant k = 4.5kN/m. The spring is stretched 10 cm from equilibrium and released. Find

(a) The frequency of the motion,

(b) The period,

(c) The amplitude,

(d) The maximum speed,

(e) The maximum acceleration.

(f) When does the object first reach its equilibrium position? What is its acceleration at this time?

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