SOLUTION: Find the components of a vector with the initial point P1 (7, -2) and the terminal point P0 (11, 5). Find the components of a vector with the initial point P1 (2, -9) and the t

Algebra ->  Trigonometry-basics -> SOLUTION: Find the components of a vector with the initial point P1 (7, -2) and the terminal point P0 (11, 5). Find the components of a vector with the initial point P1 (2, -9) and the t      Log On


   

Question 862583: Find the components of a vector with the initial point P1 (7, -2) and the terminal point P0 (11, 5).
Find the components of a vector with the initial point P1 (2, -9) and the terminal point P0 (2, 4).
Find the magnitude and direction of the vector V = <2, -4>
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
(11-7,5-(-2))=(4,7)
.
.
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(2-2,4-(-9))=(0,13)
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.
.
R=sqrt%282%5E2%2B%28-9%29%5E2%29
R=sqrt%284%2B81%29
R=sqrt%2885%29
theta=tan%5E%28-1%29%28-4%2F2%29=tan%5E%28-1%29%28-2%29
theta=296.6 degrees