Asked by Amrit
An airplane pilot wishes to fly due west. A wind of 80km/hr is blowing towards the south.
a) If the speed of llane in air is 320km/hr, in which direction should the pilot head?
b) What is the speed of plane over the ground?
(Illustrate with diagram)
a) If the speed of llane in air is 320km/hr, in which direction should the pilot head?
b) What is the speed of plane over the ground?
(Illustrate with diagram)
Answers
Answered by
bobpursley
draw the diagram.
I see a right triangle.
a. sinTheta=80/320
theta= arcsin(.25)
so direction is theta N of W.
b. speed=sqrt(320^2-80^2)
I see a right triangle.
a. sinTheta=80/320
theta= arcsin(.25)
so direction is theta N of W.
b. speed=sqrt(320^2-80^2)
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