The time, t seconds, it takes a pendulum to complete one back and forth swing can be determined by the equation t =0.32v/, where / is the length of the pendulum in inches. A clock manufacturer has an adjustable length pendulum with the shortest length being 6.5 in and the longest length being 10 in. Determine the range of swinging times for this pendulum. Select one: a. 0.816 S t s 1.012 O b. 0.914 St