Speed
This time we are looking on the crossword puzzle clue for: Speed.
it’s A 5 letters crossword definition.
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Possible Answers:
RATE.
Last seen on: –Daily Boston Globe Crossword Answers Sunday, March 26, 2023
–Thomas Joseph – King Feature Syndicate Crossword – Dec 7 2022
–Thomas Joseph – King Feature Syndicate Crossword – Aug 19 2022
–L.A. Times Daily Crossword – Jun 20 2022
–NY Times Crossword 10 Feb 21, Wednesday
–Eugene Sheffer – King Feature Syndicate Crossword – Oct 13 2020
–Wall Street Journal Crossword – September 06 2020 – Daffy Derby
–NY Times Crossword 17 Jul 20, Friday
–The Telegraph – QUICK CROSSWORD NO: 29,379 – Jun 2 2020
The Telegraph – QUICK CROSSWORD NO: 29,305 – Mar 7 2020
Random information on the term “Speed”:
This article deals with the history of classical mechanics.
The ancient Greek philosophers, Aristotle in particular, were among the first to propose that abstract principles govern nature. Aristotle argued, in On the Heavens, that terrestrial bodies rise or fall to their “natural place” and stated as a law the correct approximation that an object’s speed of fall is proportional to its weight and inversely proportional to the density of the fluid it is falling through.
Aristotle believed in logic and observation but it would be more than eighteen hundred years before Francis Bacon would first develop the scientific method of experimentation, which he called a vexation of nature.
Aristotle saw a distinction between “natural motion” and “forced motion”, and he believed that ‘in a void’ i.e.vacuum, a body at rest will remain at rest and a body in motion will continue to have the same motion . In this way, Aristotle was the first to approach something similar to the law of inertia. However, he believed a vacuum would be impossible because the surrounding air would rush in to fill it immediately. He also believed that an object would stop moving in an unnatural direction once the applied forces were removed. Later Aristotelians developed an elaborate explanation for why an arrow continues to fly through the air after it has left the bow, proposing that an arrow creates a vacuum in its wake, into which air rushes, pushing it from behind. Aristotle’s beliefs were influenced by Plato’s teachings on the perfection of the circular uniform motions of the heavens. As a result, he conceived of a natural order in which the motions of the heavens were necessarily perfect, in contrast to the terrestrial world of changing elements, where individuals come to be and pass away.
Random information on the term “RATE”:
Pleochroic halos (also referred to as radiohalos) are microscopic, spherical shells of discolouration (pleochroism) within minerals such as biotite that occur in granite and other igneous rocks. The shells are zones of radiation damage caused by the inclusion of minute radioactive crystals within the host crystal structure. The inclusions are typically zircon, apatite, or titanite which can accommodate uranium or thorium within their crystal structures. One explanation is that the discolouration is caused by alpha particles emitted by the nuclei; the radius of the concentric shells are proportional to the particle’s energy.
Uranium-238 follows a sequence of decay through thorium, radium, radon, polonium, and lead. These are the alpha-emitting isotopes in the sequence. (Because of their continuous energy distribution and greater range, beta particles cannot form distinct rings.)
The final characteristics of a pleochroic halo depends upon the initial isotope, and the size of each ring of a halo is dependent upon the alpha decay energy. A pleochroic halo formed from U-238 has theoretically eight concentric rings, with five actually distinguishable under a lighted microscope, while a halo formed from polonium has only one, two, or three rings depending on which isotope the starting material is. In U-238 haloes, U-234, and Ra-226 rings coincide with the Th-230 to form one ring; Rn-222 and Po-210 rings also coincide to form one ring. These rings are indistinguishable from one another under a petrographic microscope.