Question

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

Answer 1

Answer is

B = 5sqrt(2)

Answer 2

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)