The Period of a Pendulum Is the Time It Takes

question 63

Multiple Choice

The period of a pendulum is the time it takes to swing from one side to the other side and back. The formula where T represents the time in seconds and L the length in feet, can be used to determine the period of a pendulum (see the figure) . Find the period of a 4-feet pendulum. Express your answer to the nearest tenth of a second.

• A) 2.4 seconds
• B) 2.9 seconds
• C) 2.2 seconds
• D) 2.5 seconds
• E) 0.8 seconds

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