If vector A = 7i+3j°and vector B = 8 i + 2 j, then 2 A+ 7 B =%3DO a. 70 i - 20 jO b. 70 ř +20 jO c. 70 i +-8 jO d. -42 i +20 j^

Answered: If vector A = 7i+3j°and vector B = 8 i^…

If vector A = 7i+3j°and vector B = 8 i^ + 2 j^, then 2 A+ 7 B = O a. 70 r - 20 j O b. 70 ř +20 j* O c. 70 i +-8 j Od.-42 i +20 j^

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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Question

If vector A = 7i+3j°and vector B = 8 i + 2 j, then 2 A+ 7 B =
%3D
O a. 70 i - 20 j
O b. 70 ř +20 j
O c. 70 i +-8 j
O d. -42 i +20 j^

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