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Angular momentum
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momentum
momentum , in mechanics, the quantity of motion of a body, specifically the product of the mass of the body and its velocity . Momentum is a vector quantity; i.e., it has both a magnitude and a direction, the direction being the same as that of the velocity vector. When an external force acts upon... Read more |
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moment
moment in physics and engineering, term designating the product of a quantity and a distance (or some power of the distance) to some point associated with that quantity. The most theoretically useful moments are moments of masses, areas, lines, and forces, including magnetic force. The concept of... Read more |
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flight
flight sustained, self-powered motion through the air, as accomplished by an animal, aircraft, or rocket. Animal Flight Adaptation for flight is highly developed in birds and insects . The bat is the only mammal that accomplishes true flight; flying squirrels glide rather than fly, as do ... Read more |
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scalar
scalar quantity or number possessing only sign and magnitude, e.g., the real numbers (see number ), in contrast to vectors and tensors ; scalars obey the rules of elementary algebra. Many physical quantities have scalar values, e.g., length, area, mass, energy, and electric charge. Such... Read more |
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turnover
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Compton effect
Compton effect [for A. H. Compton ], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong verification of the quantum theory since the theoretical explanation of the effect requires that... Read more |
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Preparedness
PREPAREDNESS PREPAREDNESS, a campaign designed to strengthen U.S. military forces after the outbreak of World War I. The movement began in 1914 and gathered momentum steadily as the danger of American involvement in the European struggle grew. In 1914 and 1915 Theodore Roosevelt, along with... Read more |
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Coriolis force
Coriolis force is the name given to the inertial forces acting on a body moving across the surface of a rotating sphere. They result from accelerations generated through the conservation of angular momentum, a basic tenet of Newtonian laws of motion. So anywhere on the surface of the earth, apart... Read more |
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photon
photon , the particle composing light and other forms of electromagnetic radiation , sometimes called light quantum. The photon has no charge and no mass. About the beginning of the 20th cent., the classical theory that light is emitted and absorbed by matter in a continuous stream came under... Read more |
 "Bangor Daily News (Bangor, ME)")
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Foxcroft caps perfect season; Gilbert shines
...This game was all about momentum. Lisbon's came methodically...instantly, forcing four Lisbon turnovers and scoring three of...the big plays," said Lisbon coach Dick Mynahan...returned 62 yards to give Foxcroft a 6-0 lead... |
 "Portland Press Herald (Portland, ME)")
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Clippers overcome their turnovers ; Yarmouth wins the first two games of a...
...Clippers overcome their turnovers ; Yarmouth wins...opening loss to Lisbon but ran out of time...tigers now, us and Lisbon," Hartman said...Hill forced two turnovers in the third quarter...Neujhar to again give Oak Hill excellent...It was a ... |
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ON-THE-RECORD BRIEFING ON U.S. ASSISTANCE TO AFGHANISTAN.
...might just say, and Raj will give you the proper details and...ve broken the Taliban's momentum, training Afghan forces, turnover security lead to Afghan forces...2000 -- I'm sorry, and the Lisbon agreements at 2014. And both... |
 "The Jamestown Sun (Jamestown, ND)")
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Class B notebook: Broncos prepared to do battle in Linton.
...begs to say that a turnover here or a first...dramatically altered Lisbon's season to this...defense," said Lisbon head coach Robert...the end zone for Lisbon and is averaging...little boost of momentum. After their loss...effort for us, to ... |
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MAINE 5, HARVARD 4 Bear-ly alive ; Four late goals, and season saved
...Moore, the sophomore from Lisbon, celebrated his 20th birthday...spark we could, we would give our team," Whitehead said...called a timeout, but the momentum was Maine's. Shields' forechecking caused a turnover in the Crimson zone. Leveille... |
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FOOTBALL FINALS AT A GLANCE - CLASS C
...18 points a game. That may give the edge to Bucksport, particularly...Seahawks are riding a wave of momentum after knocking off Winslow...a regular-season loss to Lisbon. The team with the fewer turnovers is likely to win.Prediction... |
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Regional semifinal capsules
...has been gaining momentum. RB Zach Pruger...PREDICTION: Home field gives Cape the edge. WESTERN...20-6 ANALYSIS: Turnovers cost Boothbay in...Jay (5-4) at Lisbon (9-0) WHEN...Saturday LAST WEEK: Lisbon beat Winthrop, 36...20-6 ANALYSIS: ... |
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NATO to give Afghans lead in war: ; Obama sets 2014 goal for ending U.S....
LISBON, Portugal - President Obama...Afghanistan, hoping to regain momentum from a resurgent Taliban...the end of 2014. "Here in Lisbon we have launched the process...to coincide with the phased turnover of security control to Afghan... |
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NetSilicon Expands European Sales Channels and Engineering Services;...
...2001 Building on the momentum the company has created...NetSilicon is able to give OEMs an out-of-box...Madrid, Barcelona and Lisbon, covering the whole...July 1998, its 2000 turnover was (euro)95,6m...represents 34 percent of its turnover. ... |
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CABLE & WIRELESS: Cable & Wireless buys leading German Internet Service...
...company's European momentum Cable & Wireless today...Internet market and will give the company direct access...with a forecast 1999 turnover of around GBP 17million...Wireless Group will give our customers direct...Luxembourg Portugal: ... |
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