Physics is all about flight. Well, not all about. It’s not even mostly about flight, actually. It’s a little about flight. More about paths through the air. I’m getting off track—something that never happens to a projectile flying through the air as long as there’s no, you know, air.
Starting with the basics. There’s a ball on some sort of etherial field and you can adjust its initial position and speed. What combination sends the ball farthest? What combination sends the ball the highest?