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**1. Homework Statement**

An "ideal" spring with spring constant 0.45 N/m is attached to a block with mass 0.9 kg on one end and a vertical wall on the other. The floor has negligible friction, and you give the block a push and then let go. You observe that the block undergoes simple harmonic motion with a maximum speed of 2.2 m/s.

What is the angular frequency of the oscillations?

**2. Homework Equations**

omega= 2*pi*f

v=2*pi*f*sqrt(A^2-x^2)

**3. The Attempt at a Solution**

f=v/(2*pi*sqrt(A^2-x^2))

angular frequency= 2*pi*(v/(2*pi*sqrt(A^2-x^2))) I don't think im doing this right because i dont know A or x

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