Question

A vibrating object goes through five complete vibrations in 1.00 s.

Find the angular frequency and the period of the motion.

Answer 1

Period $T = \frac{t}{V} = \frac{1.00}{5} = 0.2 \;sec$

Angular frequency:

$ω = \frac{2 \pi}{T} = \frac{2 \times 3.14}{0.2} = 31.4 \;rad/sec$