Part II. Show all of your work in the space provided.(If needed you can use extra paper).Show all of your work, or you will not get any credit.Each question is 20 points.

1. Following are the data obtained from a pendulum period experiment for different lengths of the pendulum.

Length(cm)	Period, T(s)
50	1.44
60	1.58
70	1.70
80	1.80
90	1.90
100	2.01

1. Plot a graph of the square of the period vs length in meter. (4 points)
2. Obtain the best fit and measure the slope of the graph. Show slope calculation in the graph. (4 points)
3. If the period of the pendulum oscillation is related to the equation
   

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