The Period (The Time Required for One Complete Oscillation) of a Simple

Multiple Choice

The period (the time required for one complete oscillation) of a simple pendulum varies directly as the square root of its length. If a pendulum 1 inches long has a period of 0.5 seconds, find the period of a pendulum 9 inches long. Express your answer to the nearest tenth of a second.

A) P = 3.5 seconds
B) P = 1.3 seconds
C) P = 2.0 seconds
D) P = 1.2 seconds
E) P = 1.5 seconds