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November 23, 2014

November 23, 2014

Posted by **Dwight** on Monday, September 5, 2011 at 12:23am.

(a) Find the magnitude of .

________m

(b) Find the direction of .

_________° counterclockwise from the negative x axis

- Physics -
**Henry**, Wednesday, September 7, 2011 at 12:15pmX = hor. = -104m.

Y = ver. = -185m.

a. D = sqrt(x^2 + y^2),

D = sqrt((-104)^2 + (-185)^2) = 212.2m.

b. tanAr = Y / X = -185 / -104=1.7788,

Ar = 60.7 deg.

A = 60.7 + 180 = 240.7 deg(Q3).

Ar = reference or related angle.

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