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" ... move in its intersection with the other. 19. Let the position of the "axis of a spherical surface of known refracting power, perpendicular to, and bisecting, a very distant object, be given, and in it the position of the eye and image, and also the... "
Cambridge Problems: Being a Collection of the Printed Questions Proposed to ... - Page 69
1821 - 425 pages
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The New Cambridge Guide ; Or, A Description of the University, Town and ...

Cambridge (England) - 1804 - 476 pages
...19. Let the position of the "axis of a spherical surface of known refracting power, perpendicular to, and bisecting, a very distant object, be given, and...seconds, in each of the same two places, is given. On a smooth horizontal plane, are connected by a flexible line passing through a small ring fixed at...
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Calendar

University of Cambridge - 1804 - 252 pages
...the position of the eye and image, and also the apparent magnitudes of the object and image ; to the determine the magnitude and position of the refracting...latitude, in, each of two known places, is given. 2d. When the length of a pendulum vibrating seconds, in each of the same two places, is given. , 22....
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A Fresh Look at Empiricism: 1927-42

Bertrand Russell, John Greer Slater, Peter Köllner - Philosophy - 1996 - 954 pages
...magnitude and direction. He found that every planet at every moment has an acceleration towards the sun which is inversely proportional to the square of its distance from the sun. He then took up the inverse problem, which is one for the integral calculus. If a body has, at...
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