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 ...

This is a preview. Log in through your library . Abstract We show that a projectile launched horizontally with a drag force dependent on a power of the velocity will reach a minimum velocity before ...

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 ...

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 ...

This post is part of a series of review stories looking back at the top naval news from 2019. 2019… USNI News is the independent, non-profit news service of the Naval Institute. Our mission is to ...

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 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) ...