Two vectors A and B are perpendicular to one another. Which of the following statements is true? O A B = |Ã||B sin o O Ā ·B = |Ã||B| O JÃ × B| = |Ã|| B| %3D O JÃ x B = 0

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two vectors A and B are perpendicular to one another. Which of the
following statements is true?
O A-B= \Ã||B| sin o
%3D
O Ā ·B = |Ã||B|
O JÃ × B| = |Ã|| B|
%3D
O JÃ x B = 0
Transcribed Image Text:Two vectors A and B are perpendicular to one another. Which of the following statements is true? O A-B= \Ã||B| sin o %3D O Ā ·B = |Ã||B| O JÃ × B| = |Ã|| B| %3D O JÃ x B = 0
A bus starts from the origin and travels 9km, 45 degrees south of east and
then 13 km, south. How far is the bus from the origin?
O 13 km
22 km
20 km
O 16 km
Transcribed Image Text:A bus starts from the origin and travels 9km, 45 degrees south of east and then 13 km, south. How far is the bus from the origin? O 13 km 22 km 20 km O 16 km
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