There are two vectors, A and B ,represented by arrows A and B respectively. Arrow A points west and has a magnitude of 40 units. Arrow B is twice as long as arrow A and is directed at 180° with respect to A. What is the magnitude and direction ofB ? O 1600 units, to the east O 80 units, to the west O 80 units, to the east O 42 units, to the west

There are two vectors, A and B ,represented by arrows A and B respectively. Arrow A points west and has a magnitude of 40 units. Arrow B is twice as long as arrow A and is directed at 180° with respect to A. What is the magnitude and direction ofB ? O 1600 units, to the east O 80 units, to the west O 80 units, to the east O 42 units, to the west

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter1: Introduction And Vectors

Section1.8: Some Properties Of Vectors

Problem 1.4QQ

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