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A. B. Evans attraction varies average area axes axis bicircular bisecting Cartesian chord circle coefficients concyclic cone confocal conic conies coordinates cos2 cosC cubic curve cusp denote diagonals directrix distance drawn ellipse ellipsoid envelope epicycloid equal equation foci focus given Hence hyperbola inscribed integral inverse J. J. Walker lamina latus rectum line at infinity locus M.A. Let meet middle points nine-point circle normal octagrams parabola parallel particle passes perpendicular points of contact points of intersection polar pole Professor Wolstenholme Proposer prove quadric quadrilateral quartic Question R. F. Davis radius of curvature ratio respectively sides sin2 sin3 Solution by J. J. Solution by Professor spherical straight line substituting supposed Tebay theorem tion triangle Tucker values velocity vertex vertical vis viva whence
Page 82 - Shew that the attraction of an indefinitely thin doubleconvex lens on a point at the centre of one of its faces is equal to that of the infinite plate included between the tangent plane at the point and the parallel tangent plane of the other face of the lens.
Page 35 - Q are the points of contact of a common tangent to two given conies.
Page 85 - Sin. b . Sin. с Cos. a— Cos. b . Cos. с Sin. b . Sin. с
Page 56 - T will at that instant be the axis of the centrifugal couple; and the perpendicular from the centre on the tangent plane to the ellipsoid...
Page 26 - A bright sphere, whose radius is e, has its centre at the focus of a paraboloid of revolution ; show that the total illumination on the portion of the paraboloid cut off by a plane through the focus perpendicular to the axis is ITT (т — 2) c2.
Page 41 - Given one sido of a right-angled triangle ; construct it, so that the difference between the other side and the adjacent segment of the hypotenuse, cut off by a perpendicular from the right angle, may Ъе a maximum.
Page 63 - If through the corners of a spherical triangle arcs are drawn bisecting the angles A, B, C, and meeting the opposite sides in D, E, F respectively ; prove that...
Page 80 - ... attraction for the ordinary law of the inverse square of the distance...