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In a parabola, the velocity of a body at any distance from the focus is to the velocity of a body revolving in a circle, at the same distance...
The First Three Sections of Newton's Principia: With Copious Notes and ... - עמוד 43
מאת Isaac Newton - 1826 - 183 דפים
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## The Mathematical Principles of Natural Philosophy, כרך 1

Isaac Newton - 1729 - 320 דפים
...fubduplicate ratio of the diftance. la the hyperbola the perpendicular is lefs variable, in the ellipfis more. COR. 7. In a parabola, the velocity of a body at any diflance from the focus, is to the velocity of a body revolving in a circle at the fame djinnce from...
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## A Demonstration of Some of the Principal Sections of Sir Isaac Newton's ...

John Clarke - 1730 - 313 דפים
...Hence I fay it follows (by Compaction) i/ D that the Velocity of a Body revolving in a Conick Section, is to the Velocity of a Body revolving in a Circle at the fame Diftance, as a mean Proportional betwixt that common Diftance and half the principal Lotus retfum...
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## The Philosophical Transactions ... Abridged ..., כרך 4

...to 1/ С D. Therefore ex ¿quo the Velocity of a Body revolving in an Ellipfis at the Diftance SP, is to the Velocity of a Body revolving in a Circle at the fame Diftance, as ^ PF ta V С D. C( rol. 2.] Having given the Velocity in an Ellipßs, tbe Pcßtion...
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## Collection of English Almanacs for the Years 1702-1835

1790
...&f т and т tn being limilar, Tf.^nV.sp ; т s (i). But the velocity of the comet at the point т is to the velocity of a body revolving in a circle at that diitance from' tltfi fun fPrincipia, lib. i. prop. 16, cor. 9) as v's т X £ lat- re4t. f с...
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## New Cambridge Guide; Or, A Description of the University, Town, and County ...

1804 - 130 דפים
...to the perihelion distance. 17- Compare the velocity in an ellipse, at the greatest distance, with the velocity of a body revolving in a circle at the same distance. Evening Problems. — Mr. Turton. 1. Explain the nature of the stereographic projection of the sphere...
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## The Principles of Fluxions

Samuel Vince - 1812 - 256 דפים
...mft is negative. PRoP. CXXX. The velocity of a body revolving in any curve about a centre of force : velocity of a body revolving in a circle at the same distance, in the subduplicate ratio of the chord of curvature : twice the distance, or in the sub, yt HI duplicate...
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## The Mathematical Questions Proposed in the Ladies' Diary: And Their ..., כרך 3

Thomas Leybourn - 1817
...similar, it : т/г : : Sp (CT- \/(2a — 1)) : TS (1). But the velocity of the comet at the point т is to the velocity of a body revolving in a circle at that distance from the \$un (Principia, lib/ 1. prop. 16, cor. 9) as v4ST x т latus rectum) is to sp,...
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## Cambridge Problems: Being a Collection of the Printed Questions Proposed to ...

1821 - 425 דפים
...to the perihelion distance. 17. Compare the velocity in an ellipse, at the greatest distance, with the velocity of a body revolving in a circle at the same distance. Evening Problems. — Mr. TURTON. 1 . Explain the nature of the stercographic projection of the sphere...
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## Euclid's Elements of Geometry: The Six First Books. To which are Added ...

Rev. John Allen - 1822 - 494 דפים
...the tangent of the section. Cor. 9. Whence, since the velocity of a body revolving in this circle, is to the velocity of a body revolving in a circle at any other distance, in an inverse subduplicate ratio of the distances (Cor. 6. 3 Nat. Ph.); by equality,...
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## First Principles of Mechanics: With Historical and Practical Illustrations

William Whewell - 1832 - 118 דפים
...the distance, (as SA,) and oa COR. 3. To compare the velocity at any point of a conic section, with the velocity of a body revolving in a circle at the same distance, and acted on by the same force. The velocity in any curve is equal to that acquired by falling down...
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