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1 vote
What is the magnitude of the resultant of z-y?
x=9i-j-2k
y=-6i+2j-k
z=-i+5j+3k

User Zapko
by
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2 Answers

4 votes

Answer is

B = 5sqrt(2)

User Couchand
by
7.1k points
2 votes

Answer:

5sqrt(2)

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)

User StatsViaCsh
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7.0k points