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16 April, 14:55

What is the magnitude of the resultant of z-y?

x=9i-j-2k

y=-6i+2j-k

z=-i+5j+3k

+3
Answers (2)
  1. 16 April, 15:32
    0
    Answer is

    B = 5sqrt (2)
  2. 16 April, 16:05
    0
    5sqrt (2)

    Step-by-step explanation:

    Z - Y

    -i+5j+3k - (-6i+2j-k)

    -i + 6i + 5j - 2j + 3k + k

    5i + 3j + 4k

    Magnitude:

    sqrt (5² + 3² + 4²)

    sqrt (50)

    5sqrt (2)
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