Find Amplitude and Equilibrium in Simple Harmonic Motion

[jcd2012]

Homework Statement

A 0.241-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 = -0.349 m and x2 = 0.419 m. The period of oscillation is 0.511 s. Find the frequency, f, the equilibrium position, xeq, the amplitude, A.

Homework Equations

The hint system suggests:

Midpoint Formula: (X_1 + X_2)/2
Distance Between Two Points: |X_1 - X_2|

The Attempt at a Solution

I am just not sure how I get amplitude and equilibrium from this information. The hint system suggests that I draw the setup to determine these however I am lost from there.

 

[Sentin3l]

I would suggest you consider the definitions and equations of frequency, equilibrium and amplitude. After drawing the system, consider how these quantities are represented in the system.