You can associate with your friends again , it’s better for people who are hands on learners or need examples and things explained to them , and your more likely to do stuff if your there in person
Answer: Where are the maching labbles?
If the pitcher holding the ball that mean if it doesn't have any motion so it has Potential energy in that case.
But in other case if the pitcher throwing or catching the ball it means the ball have motion so it has Kinetic energy.