1. Vector A has magnitude of 8units and makes an angle of 45" with the positive x-axis. Vector B also has the same magnitude of Sunits and directed along the negative x-axis. Find a. The magnitude and direction of Å +B b. The magnitude and direction of A – B

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter3: Vectors
Section: Chapter Questions
Problem 16PQ: Vector A has a magnitude of 4.50 m and makes an angle of 64.0 with the positive x axis. Vector B,...
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T:02
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ethiopianfreshstudentmodule
13
Chapter Review Questions and Problems
1. Vector à has magnitude of 8units and makes an angle of 45° with the positive x-axis.
Vector B also has the same magnitude of 8units and directed along the negative x-axis.
Find
a. The magnitude and direction of Å + B
b. The magnitude and direction of Å – .
2. Given the displacement vectors Å = 31 – 4j + 4k, Ē = 2î+3j – 7k. Find the
magnitudes of the vectors a) Ã+Ē b) 2Ã-Ê
3. If Å = 6î – 8ĵ, Ē = –8î + 3ĵandČ = 26î + 19j. Find a and b Such that aà +bB +
Ĉ = 0
4. Find a unit vector in the direction of the resultant of vectors Ả = 2î – 3} + k, Ē = î + ĵ +
2k and Č = 31 – 2j + 4k
II
Transcribed Image Text:T:02 江 ethiopianfreshstudentmodule 13 Chapter Review Questions and Problems 1. Vector à has magnitude of 8units and makes an angle of 45° with the positive x-axis. Vector B also has the same magnitude of 8units and directed along the negative x-axis. Find a. The magnitude and direction of Å + B b. The magnitude and direction of Å – . 2. Given the displacement vectors Å = 31 – 4j + 4k, Ē = 2î+3j – 7k. Find the magnitudes of the vectors a) Ã+Ē b) 2Ã-Ê 3. If Å = 6î – 8ĵ, Ē = –8î + 3ĵandČ = 26î + 19j. Find a and b Such that aà +bB + Ĉ = 0 4. Find a unit vector in the direction of the resultant of vectors Ả = 2î – 3} + k, Ē = î + ĵ + 2k and Č = 31 – 2j + 4k II
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