Posted by Anonymous on Wednesday, August 31, 2011 at 2:07am.
an airplane flies 200 km due west from city A and then 350 km in the direction of 32.0 degrees north of west from city B to city C.
a) in a straightline distance, how far is city c from city a?
b) relative to city a, what direction is city c?

physics  Henry, Friday, September 2, 2011 at 2:56pm
a. 32 deg North of West = 148 deg.,CCW.
X=hor. = 200 + 350cos148 = 496.82km.
Y = ver. = 350sin148 = 185.47km.
d = sqrt(X^2+Y^2),
d = sqrt((496.82)^2 + (185.47)^2 =
530.3km.
b. tanA = Y / X = 185.47 / 496.82 = 0.37332.
A = 20.47 deg,CW. = 180  20.47 = 159.53 deg.,CCW. = 20.47 deg, North of West..
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