# Simple Harmonic Motion

## Homework Statement

A 0.61 kg mass attached to a spring (k = 27 N m-1) is performing SHM on a smooth horizontal surface.
Calculate the periodic time of these oscillations.

ω=2π/T
ω=2πƒ

## The Attempt at a Solution

I think I need to find out the angular frequency ω of the oscillations in order to calculate the periodic time using ω=2π/T, but I have no idea how to calculate ω since it doesn't give you the frequency ƒ ?