If you throw a javlin the best angle for max distance is presumably 45 degrees. If you stood on top of a 1000 meter cliff, does that same angle give you max distance?
I own a hovercraft, and I was looking at engines to try and increase the speed. There is an engine that weighs 85 lbs and has 35 HP, then there is an engine the weighs 85 lbs and had 90 HP. I'm not...