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Airplane flying in a crosswind problem 
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#1
Sep311, 03:01 PM

P: 5

1. The problem statement, all variables and given/known data
The nose of an ultralight plane is pointed south, and its airspeed indicator shows 45 m/s . The plane is in a 20 m/s wind blowing toward the southwest relative to the earth. Find the xcomponent of the velocity with respect to the earth. Find the ycomponent of the velocity with respect to the earth. Find the magnitude of the plane's motion with respect to the earth. Find the angle of the plane's motion with respect to the earth. 2. Relevant equations xcomponent magnitude of a vector = (a)cos([itex]\vartheta[/itex]) ycomponent magnitude of a vector = (a)sin([itex]\vartheta[/itex]) 3. The attempt at a solution I mapped it all out and ended up with x and y components of 59.14 and 14.14 respectively, but this is wrong. halp plox? 


#2
Sep311, 05:31 PM

PF Gold
P: 1,053

Anyway, you realize the the airspeed indicator reading of 45 m/s is relative to the moving air, not the earth. Take that into consideration, please. 


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