# Physics

posted by
**Cooper**
.

The position of a mass oscillating on a spring is given by x=(4.7 cm)cos [2pi t/(0.52 s)].

What is the period of this motion?

What is the first time the mass is at the position x=0?

posted by
**Cooper**
.

The position of a mass oscillating on a spring is given by x=(4.7 cm)cos [2pi t/(0.52 s)].

What is the period of this motion?

What is the first time the mass is at the position x=0?