The Formula $T = 2 \pi \sqrt { \frac { L } { 32 } }$

question 11

Multiple Choice

The formula $T = 2 \pi \sqrt { \frac { L } { 32 } }$ gives the time t (seconds) for a pendulum of length L (in feet) to go through one complete cycle, both forward and back (its period) . Find the period of the pendulum clock if the length is 2.25 feet. Round your answer to two decimal places.

• A)1.67 seconds
• B)0.83 second
• C)0.27 second
• D)0.44 second
• E)0.79 second

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