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Problem 1 Vector A = -5i + 4j. Vector B = -8i - 6j. %3D a) Find the dot product A B. Give your answer to 2 significant figures. b) Using your result from (a) for the dot product, find the smaller angle between A and B. Give your answer to 3 significant figures. Do not use polar coordinates to solve this problem. Of course, you may check your answer with polar coordinates if you want to.

Problem 1 Vector A = -5i + 4j. Vector B = -8i - 6j. %3D a) Find the dot product A B. Give your answer to 2 significant figures. b) Using your result from (a) for the dot product, find the smaller angle between A and B. Give your answer to 3 significant figures. Do not use polar coordinates to solve this problem. Of course, you may check your answer with polar coordinates if you want to.

College Physics
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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Problem 1 Vector A = -5i + 4j. Vector B = -8i - 6j. %3D %3D a) Find the dot product A B. Give your answer to 2 significant figures. b) Using your result from (a) for the dot product, find the smaller angle between A and B. Give your answer to 3 significant figures. Do not use polar coordinates to solve this problem. Of course, you may check your answer with polar coordinates if you want to. Please upload file that has your initials in the file name. For example, if your initials are FDR, the name your file "Week2QuizProb1_FDR.pdf". Upload Choose a File Question 2
Transcribed Image Text:Problem 1 Vector A = -5i + 4j. Vector B = -8i - 6j. %3D %3D a) Find the dot product A B. Give your answer to 2 significant figures. b) Using your result from (a) for the dot product, find the smaller angle between A and B. Give your answer to 3 significant figures. Do not use polar coordinates to solve this problem. Of course, you may check your answer with polar coordinates if you want to. Please upload file that has your initials in the file name. For example, if your initials are FDR, the name your file "Week2QuizProb1_FDR.pdf". Upload Choose a File Question 2
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A = -5i +4 j

B = -8i -6 j

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