Asked by James

A Plane flies north at 215 km/h. A wind from the east blows at 69km/h. What is the plane's new velocity with respect to the ground in standard position

Answers

Answered by Henry
X = -69 km/h
Y = 215 km/h

Tan Ar = Y/X = 215/-69 = -3.11594
Ar = -72.21o = Reference angle.

A = -72.21 + 180 = 107.8o

V=Y/sinA = 215/sin107.8=225.8km/h[107.8]
Answered by Monica
Henry... where did you get the reference angle from? -72.21??
Answered by Abiy
Why Vx is negative (-69km/h)
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