lilyhuston lilyhuston

02-06-2020
Mathematics

contestada

for v =-3i+6j find unit vector u in the direction of v

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quiroajm17 quiroajm17

02-06-2020

The vector is only I and j
So..
the magnitude is
M 2 v = 3^2 + (-4)^2 = 25 mv =5
Angle: tangent angle is 3/-4
Tan^-1 (-0.75) function to get -36.87 degrees

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