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The Petlyakov Pe-2 (Russian: Петляков Пе-2 — nickname «Пешка» (Pawn); NATO reporting name: Buck) [2] was a Soviet twin-engine dive bomber used during World War II. One of the outstanding tactical attack aircraft of the war, [ 3 ] it also proved successful as a heavy fighter , as a night fighter ( Pe-3 variant) and as a ...
They were originally commissioned USS Eagle Boat No.1 (or 2,3..etc.) but this was changed to PE-1 (or 2,4.. etc.) in 1920. They never officially saw combat in World War I, but some were used during the Allied intervention in the Russian Civil War. [1] PE-19, 27, 32, 38, 48 and 55–57 survived to be used in World War II. [2]
The Morse potential, named after physicist Philip M. Morse, is a convenient interatomic interaction model for the potential energy of a diatomic molecule.It is a better approximation for the vibrational structure of the molecule than the quantum harmonic oscillator because it explicitly includes the effects of bond breaking, such as the existence of unbound states.
WASHINGTON (Reuters) -President-elect Donald Trump cannot ignore a law requiring Chinese-based ByteDance to divest its popular short video app TikTok in the U.S. by early next year or face a ban ...
In continuum mechanics, the Péclet number (Pe, after Jean Claude Eugène Péclet) is a class of dimensionless numbers relevant in the study of transport phenomena in a continuum. It is defined to be the ratio of the rate of advection of a physical quantity by the flow to the rate of diffusion of the same quantity driven by an appropriate ...
The U.S. Supreme Court, in a 7-2 decision, upheld the agency’s funding mechanism as constitutional. Musk also recently reposted on social media the names of specific people and jobs that he ...
Lots of cash: The company's total cash position surged 64% year over year to $2.2 billion. Guidance: 2024 net sales: Up 1.5% to 2% (previous guidance: up slightly)
aeg dj.i [1] The AEG PE ( P anzer E insitzer – "armoured one-seater") was a triplane ground-attack aircraft of World War I , one of the first aircraft designed from the outset for that role. The Idflieg rejected it on the grounds that its poor maneuverability made it too vulnerable to enemy fighters.