Question:
The pendulum arm on a clock is to swing back and forth once
Last updated: 5/3/2023
![The pendulum arm on a clock is to swing back and forth once](https://media.kunduz.com/media/sug-question-candidate/20220428035016968448-4548587.jpg?h=512)
The pendulum arm on a clock is to swing back and forth once every 0 5 seconds The bob on the end of the pendulum is 20 grams How long does the pendulum arm need to