b) Calculate the components of the vector C
c) Find the magnitude and direction of the vector C
1)
Ax = x-component of
= |
|
Cos
= 4.4
Cos140 = - 3.37 cm
Ay = y-component of
= |
|
Sin
= 4.4
Sin140 = 2.83 cm
Bx = 4.4 cm
By = 3.2 cm
Cx = Ax + Bx = - 3.37 + 4.4 = 1.03 cm
Cy = Ay + By = 2.83 + 3.2 = 6.03 cm
c)
using Pythagorean theorem
|C| = sqrt(Cx2 + Cy2) = sqrt((1.03)2 + (6.03)2) = 6.12 cm
direction : =
tan-1(Cy/Cx) =
tan-1(6.03/1.03) = 80.31 deg
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