Vector Analysis: An Introduction to Vector-methods and Their Various Applications to Physics and Mathematics

الغلاف الأمامي
J. Wiley & Sons, 1911 - 262 من الصفحات
 

طبعات أخرى - عرض جميع المقتطفات

عبارات ومصطلحات مألوفة

مقاطع مشهورة

الصفحة 22 - A person travelling eastward at the rate of 4 miles per hour, finds that the wind seems to blow directly from the north; on doubling his speed it appears to come from the north-east; find the direction of the wind and its velocity.
الصفحة 44 - The sum of the squares of the diagonals of a parallelogram is equal to the sum of the squares of its four Dem.— Let ABCD be the a.
الصفحة viii - Poinsot has brought the subject under the power of a more searching analysis than that of the calculus, in which ideas take the place of symbols, and intelligible propositions supersede equations".
الصفحة 24 - ... intersection of corresponding sides lie on a line, then the lines joining the corresponding vertices pass through a common point and conversely. 5. Given a quadrilateral in space. Find the middle point of the line which joins the middle points of the diagonals. Find the middle point of the line which joins the middle points of two opposite sides. Show that these two points are the same and coincide with the center of gravity of a system of equal masses placed at the vertices of the quadrilateral....
الصفحة 44 - The squares of the sides of any quadrilateral exceed the squares of the diagonals by four times the square of the line which joins the middle points of the diagonals.
الصفحة 44 - P meet in a point and are directed along the diagonals of the three faces of a cube meeting at the point. Determine the magnitude of their resultant.
الصفحة 113 - A through a closed surface S is equal to the volume integral of the divergence of the vector field over the region enclosed by S.
الصفحة 46 - The triangle formed by joining the middle point of one of the nonparallel sides of a trapezoid to the extremities of the opposite side, is equivalent to one-half the trapezoid.
الصفحة iii - Vector analysis; an introduction to vector-methods and their various applications to physics and mathematics. Ed.2. 1911. Wiley. "Bibliography,
الصفحة 27 - I is the center of its inscribed circle. Show that the resultant of the vectors a • AD, b • BD, c • CD is (a + b + c) ID, where a, b, c are the lengths of the sides of the triangle. 10. ABCD, A'B'C'D' are two parallelograms in the same plane.

معلومات المراجع