A vector A has a magnitude of 7 units and points in the -y-direction, while a vector B has double the magnitude of A and points in the +x-direction. What are the magnitude and direction of the following vectors? Give the directions of each as an angle measured counterclockwise from the +x-direction. (a) A + B magnitude direction (b) A-B magnitude. direction (c) B-A magnitude direction unit(s) (counterclockwise from the +x-axis) unit(s) (counterclockwise from the +x-axis) unit(s) (counterclockwice from the tw-avic)
A vector A has a magnitude of 7 units and points in the -y-direction, while a vector B has double the magnitude of A and points in the +x-direction. What are the magnitude and direction of the following vectors? Give the directions of each as an angle measured counterclockwise from the +x-direction. (a) A + B magnitude direction (b) A-B magnitude. direction (c) B-A magnitude direction unit(s) (counterclockwise from the +x-axis) unit(s) (counterclockwise from the +x-axis) unit(s) (counterclockwice from the tw-avic)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Vectors
Section: Chapter Questions
Problem 3.41P: Express in unit-vector notation the following vectors, each of which has magnitude 17.0 cm. (a)...
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Transcribed Image Text:A vector A has a magnitude of 7 units and points in the -y-direction, while a vector B has double the magnitude of A and points in the +x-direction. What are the magnitude and direction of the following vectors?
Give the directions of each as an angle measured counterclockwise from the +x-direction.
(a) A + B
magnitude
direction
(b) A - B
magnitude
direction
(c) B-A
magnitude
direction
unit(s)
° (counterclockwise from the +x-axis)
unit(s)
° (counterclockwise from the +x-axis)
unit(s)
° (counterclockwise from the +x-axis)
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