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April 19, 2014

April 19, 2014

Posted by **nani** on Sunday, July 29, 2012 at 11:05am.

- science -
**Henry**, Tuesday, July 31, 2012 at 4:53pmDraw 3 vectors from the origin:

20m @ 0 Deg.(East).

30m @ 90 Deg.(North).

30*sqrt2 @ (270-45)Deg.(Southwest).

X = Hor. = 20 + 30*sqrt2*cos225 = -10m.

Y = Ver. = 30 + 30*sqrt2*sin225 = 0.

D = sqrt(X^2+Y^2)

D = sqrt(100+0) = 10 m.

NOTE: sqrt = Square root.

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