The last time I looked at this projectile motion lab, I was confused. My different methods for measuring the launch speed of the ball were not even close to being consistent. So, I am bringing out the ...

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 ...

Archery and target shooting with firearms and air guns are just a few of the many sports and pastimes that involve high-speed projectiles. Try this measurement technique. Archery and target shooting ...

Guided-missile destroyer Lyndon B. Johnson (DDG-1002) is made ready before flooding of the dry dock at General Dynamic-Bath Iron Works shipyard. US Navy Photo ARLINGTON, Va. – The Navy is still ...

September 28, 2020: The U.S. Air Force recently tested the 155mm version of its HVP (Hyper Velocity Projectile) fired from an army M-109 self-propelled 155mm howitzer. The HVP hit an incoming target ...

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 ...

The Pentagon is pursuing an innovation missile-defense system that could address some of the shortcomings of the existing systems it deploys. There are a number of major (somewhat interrelated) ...