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You hang different masses M from the lower end of a vertical spring and measure the period T for each value of M. You use Excel to plot T2 (in s2) on the y-axis versus M (in kg) on the x-axis. The equation for the straight line that gives the best fit to your data is y = 0.0488x + 0.00200. Units are not specified but are determined by the units of what is being graphed.
(a) What is the force constant k of the spring?
(b) What is the mass of the spring?
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