PLEASE HELP! D; A plane with an airspeed of 100 km/h wished to fly to a city 2000 km away which is at a bearing of N40degreesW relative to its present position. There is a wind blowing from N25degreesE at a speed of 100 km/h.

a) In what direction should the plane head?
b) What is the ground speed of the plane?
c) How long will the trip take?

Question

PLEASE HELP! D; A plane with an airspeed of 100 km/h wished to fly to a city 2000 km away which is at a bearing of N40degreesW relative to its present position. There is a wind blowing from N25degreesE at a speed of 100 km/h. 

a) In what direction should the plane head?
b) What is the ground speed of the plane?
c) How long will the trip take?

anonymous · Answer

Here's what I've done so far:

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