**a.**

The equilibrium position is given by:

$\overline{){{\mathbf{y}}}_{{\mathbf{eq}}}{\mathbf{=}}\frac{{\mathbf{y}}_{\mathbf{max}}\mathbf{+}{\mathbf{y}}_{\mathbf{min}}}{\mathbf{2}}}$

From the diagram, y_{max} = 50 and y_{min} = 10

a. What is the equilibrium position (in cm)?

b. What is the maximum velocity of the object (in cm/s)?

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