The Origin and Economy of Energy in the Universe

Chief Press, 1903 - 422 σελίδες

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Συχνά εμφανιζόμενοι όροι και φράσεις

Δημοφιλή αποσπάσματα

Σελίδα 24 - The total energy of any body or system of bodies is a quantity which can neither be increased nor diminished by any mutual action of such bodies, though it may be transformed into any one of the forms of which energy is susceptible.
Σελίδα 78 - An impressed force is an action exerted upon a body, in order to change its state, either of rest or of uniform motion in a right line.
Σελίδα 87 - The vis insita, or innate force of matter, is a power of resisting, by which every body, as much as in it lies, continues in its present state, whether it be of rest, or of moving uniformly forwards in a right line.
Σελίδα 132 - ... forces describes the diagonal of a parallelogram, in the same time that it would the sides with separate.
Σελίδα 88 - Matter has an innate power of resisting external influences, so that every body, as far as it can, remains at rest or moves uniformly in a straight line.
Σελίδα 321 - ... could not differ from 71° Fahr, by more than a single degree. Now, from the Bible we learn that both plants were simultaneously cultivated in the central valleys of Palestine, in the time of Moses, and its then temperature is thus definitively determined.
Σελίδα 403 - Amusements of Life. When they meet an Acquaintance in the Morning, the first Question is about the Sun's Health, how he looked at his Setting and Rising, and what Hopes they have to avoid the Stroke of the approaching Comet.
Σελίδα 239 - The quantity of heat lost or gained by a body in a second is proportional to the difference between its temperature and that of .the surrounding medium.
Σελίδα 300 - Ш) one yet knows. The spectroscope, if we interpret its indications in the usual way, tells us that a comet is simply a mass of hydrocarbon vapor, shining by its own light. But there must be something wrong in this interpretation. That the light is reflected sunlight seems to follow necessarily from the increased brilliancy of the comet as it approaches the sun and its disappearance as it passes away.
Σελίδα 24 - In any system of bodies whatever, to which no energy is communicated by external bodies, and which parts with no energy to external bodies, the sum of the various potential and kinetic energies remains for ever unaltered.

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