A simple pendulum starts with its bob at position X.The bob is pulled aside to Y and then released. It swings from Y to Z and back to Y.

A simple pendulum starts with its bob at position X.The bob is pulled

1.	A simple pendulum starts with its bob at position X.The bob is pulled aside to Y and then released. It swings from Y to Z and back to Y.
Answer» SOLUTION :WORK,PE,KE,CONSTANT