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12 November, 04:51

Two vectors A and B have components (0,1) and (-1,3), respectively. What is magnitude of the sum of these two vectors?

a) 3.2

b) 4.1

c) 3.9

d) 2.8

+2
Answers (1)
  1. 12 November, 07:20
    0
    We first add the x and y components of the vector to get the x and y components of the resultant vector:

    (0 - 1, 1 + 3)

    -1, 4

    magnitude = √ (1² + 4²)

    magnitude = 4.12

    The answer is B
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