You can’t bring up something and say hey this thing over here proves me right, then when someone asks you to show it to them, say go find it yourself. If it’s that important to you post it.
I already said it’s irrelevant to my point.
The formula for calculating energy is irrelevant to this discussion as how you calculate an objects velocity doesn’t tell you how it got to that velocity.
You can’t get velocity, whatever that velocity is or how it’s calculated without energy being expended. You also can’t have a projectile...