V = 915 + 319[78o] = (915+319*Cos78) + (319*sin78)I,
V = 981+312i = 1029mph[17.6o] N. of E.
A jet airliner moving initially at 915 mph
(with respect to the ground) to the east moves
into a region where the wind is blowing at
319 mph in a direction 78◦
north of east.
What is the new speed of the aircraft with
respect to the ground?
Answer in units of mph
1 answer