The Period (T) of a Pendulum Is Related to the Length

Multiple Choice

The period (T) of a pendulum is related to the length (L) of the pendulum and acceleration due to gravity (g) by the formula

If the gravity is 32 ft/sec² and the period is 13 second, find the approximate length of the pendulum. Round to the nearest centimeter. (Note: 12 in. = 1 ft)

A) 1,644
B) 160,124 in.
C) 48 in.
D) 795 in.