Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...

Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest of us. He didn’t just ask ...

The Office of Naval Research is getting ready to deploy their electromagnetic Railgun for testing for the first time next year. But what is a gun without ammo? The Hyper Velocity Projectile is being ...

The projectile is fired using an electromagnetic design similar to a railgun, at insane speeds around 6.5 km/sec (23,400 km/h, 14,540 mph), or just under 19 times the speed of sound. It's aimed ...

Artillery is getting a speed boost at the US Army Dugway Proving Ground in Utah, where General Atomics Electromagnetic Systems (GA-EMS) test fired a hypersonic projectile multiple times using the ...

I’ve started recreating many of my numerical model tutorials for introductory physics. In the beginning, I had students use spreadsheets to create models. Of course, spreadsheets aren’t very good for ...

Vomiting is something that everyone will experience at some point. It’s typically accompanied by a wave of nausea, and a queasy feeling in the stomach afterward. ‌ Projectile vomiting is when your ...