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 A plane is flying at a speed of 1000 km/h relative to the air (as shown in the figure) from Riyadh to Kuwait separated by a distance of 520 km directly northward. If there is wind blowing from west to east at a constant speed of 160 km/h.

(a) What is the plane‚Äôs speed relative to the ground ? 

(b) At what angle west of north should the plane fly?

 
Guest Mar 5, 2018

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