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

Multiple Choice

The formula $T = 2 \pi \sqrt { \frac { L } { 32 } }$ represents the period of a pendulum T (in seconds) , L - the length of the pendulum (in feet) . Solve the formula for L if T = 39.4384 sec, π = 3.14.

A) 78.8768 feet
B) 100.48 feet
C) 128 feet
D) 32 feet