A pendulum with a mass of .130 kg was released. The string made a 9 degree angle with the vertical. The bob of the pendulum returns to its lowest point every 12.5 seconds.

What is its period?
Whats is its frequency?

Question

A pendulum with a mass of .130 kg was released. The string made a 9 degree angle with the vertical. The bob of the pendulum returns to its lowest point every 12.5 seconds.

What is its period?
Whats is its frequency?

anonymous · Answer

The period is the time for a round-trip, twice passing its lowest point.

The frequency is the number of round trips per time, such as per minute