Some explode upon striking a solid object.
Upon striking a hard surface, the round does not instantly explode.
The kinetic energy of the electrons, upon striking the workpiece, changes to heat, which vaporizes minute amounts of the material.
Suddenly, players for whom the warm-up is as second nature as their exhalation upon striking the ball were being asked to imagine getting along without it.
The umpire — Samuel Bernstein, of West Orange, dressed in a black waistcoat and top hat — imposed a 15-cent fine after a player cursed upon striking out.
Upon striking the collector, a part of the energy is available to force current to flow through the external load, thereby giving the desired conversion from thermal to electrical energy.
These were altered so that instead of exploding upon striking the ground or on a timed fuze after traveling through the air they would explode in a mortar tube as fired, thus destroying the entire mortar system – tube, bipod, baseplate, sight and man.
At that point, the platoon had fired more rounds than they had on any day since arriving in Afghanistan in the summer — 142 in all, half of them air-bursting, high-explosive rounds and half white phosphorus ("Willie Pete" to soldiers) with so-called point-detonating fuses, which cause the rounds to explode upon striking the ground.
In "The World's Best Books: Taste, Culture, and the Modern Library," the scholar Jay Satterfield notes how F. Scott Fitzgerald's "The Great Gatsby," despite being one of Modern Library founder Bennett Cerf's "personal enthusiasms," was, as Cerf noted in the nineteen-forties upon striking it from the series, "one of the poorest sellers in the Modern Library edition".
Upon striking Louisiana, Florence produced a moderate storm surge, causing severe beach erosion in some locations.
Upon striking Bangladesh, Cyclonic Storm Akash produced a moderate storm tide, along with strong winds and heavy rains.
