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the CRC Press Web site at www.crcpress.com © 2002 by CRC Press LLC No claim to original U.S. Government works International Standard Book Number 1-56676-661-3 Library of Congress Card Number 2002019220 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Preface This encyclopedia represents an update of existing materials and presents new materials that have been invented or changed, either by new processes or by an innovative technique. The…

arithmetic. For example, if you get in your car and drive eight miles east, stop for a break, and then drive six miles east, you will be 8 + 6 = 14 miles east of your origin. If you drive eight miles east and then six miles west, you will end up 8 – 6 = 2 miles east of your origin. Adding Vectors at Other Angles When A and B are neither perpendicular nor parallel, it is more difficult to calculate the magnitude of A + B because we can no longer use the Pythagorean Theorem. It is…