I could not solve the 2 and 3 You are on an airplane traveling 30 south of due w

Question

I could not solve the 2 and 3 You are on an airplane traveling 30 south of due west at 130 m/s with respect to the air. The air is moving with a speed 48 m/s with respect to the ground due north. 1) What is the speed of the plane with respect to the ground? 113.8 m/s Submit Your submissions: 113.8 Computed value: 113.8 Feedback: Correct! Submitted: Sunday, February 21 at 10:35 PM 2) What is the heading of the plane with respect to the ground? (Let 0 represent due north, 90 represents due easth). East of due North Submit 3) How far west will the plane travel in 1 hour? m Submit

Explanation / Answer

(A) vy= 170sin(30)-48= 37m/s
vx= 170cos(30)= 147.224m/s
v= (147.224^2+37^2)= 151.80[m/s]
(B) = atan(37/147.224)= 14.107
= 180+14.107= 194.837 = 194.1[degrees] approx.
(C) 147.224*3.6k= 530[km]

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