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## Homework Statement

An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at t=0 s. It then oscillates with a period of 1.5 s and a maximum speed of 40.4 cm/s. What is the amplitude of the oscillation?

## Homework Equations

x=Acos(wt+ro)

## The Attempt at a Solution

I really don't know how to start this problem because angular speed is not given and the length the air glider travels is not given either.