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August 11th, 2013, 01:04 PM  #1 
Member Joined: Aug 2013 Posts: 69 Thanks: 0  Quick Question. Angle help! Vector problem
A plane is flying E40N @ a speed of 600km/h. The wind blowing @ 10km/h in the direction N20W. Determine the resultant velocity of the plane. So I get W + V Vectors = 600^2 + 10^2  2(600)(10)cos110= ?364204.2417 = 603.49 The angle I am trying to . I use the sine law ; sinAlpha/10= sin110/603.49 = alpha = sin^1(10sin110)/603.49. = I get an angle of .89 degrees.. I have been trying to figure if I am using the angle of 110 improperly but it seems to check out. Any advice? 
August 11th, 2013, 01:10 PM  #2 
Member Joined: Aug 2013 Posts: 69 Thanks: 0  Re: Quick Question. Angle help! Vector problem
Oops I guess I can add this to the E40N* . ?

August 12th, 2013, 02:51 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 19,951 Thanks: 1842 
Yes, you are correct.


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