Thus, by measuring the period of a pendulum as well as its length, we can determine the value of g: g=4π2LT2 We assumed that the frequency and per...Thus, by measuring the period of a pendulum as well as its length, we can determine the value of g: g=4π2LT2 We assumed that the frequency and period of the pendulum depend on the length of the pendulum string, rather than the angle from which it was dropped. In order to minimize the uncertainty in the period, we measured the time for the pendulum to make 20 oscillations, and divided that time by 20.