Solve the following, given: A = 4î + 7} B = 51 – 23 + k C = -î+ 3j+ 2k a) Find the magnitude of vector B. b) Write an expression for A + C. c) Write an expression for 2B C. d) Find the direction of yectorA.

Solve the following, given: A = 4î + 7} B = 51 – 23 + k C = -î+ 3j+ 2k a) Find the magnitude of vector B. b) Write an expression for A + C. c) Write an expression for 2B C. d) Find the direction of yectorA.

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 60PQ

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Question

Solve the following, given:
Ā = 4î + 7}
B = 5î – 2j+ &
C = -î+ 3j+ 2k
a) Find the magnitude of vector B.
b) Write an expression for A + C.
c) Write an expression for 2B C.
d) Find the direction of vector A.

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