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 ...

College football season is coming to an end (I guess technically, the season is over - it is bowl season). Anyway, this is something I wanted to do a long time ago, but I kept getting side tracked. If ...

The Navy, DoD and even the Army are also experimenting with integrating the rail gun hypervelocity projectile with existing weapons platforms such as the Navy’s 5-inch guns or Army Howitzer. Also, the ...

Figure 1: Formation of Copernicus crater by a low-speed impact. Figure 3: Impact velocity distribution on the Moon. The planetary geology community has not previously considered the possibility that ...

WE are told in the Preface to this work that “the consideration of the motion of a projectile naturally divides itself into three parts—first, its motion in the bore of the gun; second, its motion ...