Posted by **lawrence** on Sunday, October 17, 2010 at 2:17pm.

An airplane is flying 400 km/h west. There is a wind blowing 100 km/h NE. What is the airplane's actual speed and heading?

- physics grade 11 (vector) -
**bobpursley**, Sunday, October 17, 2010 at 2:18pm
break the NE into N, and E components. Then add to the W (W=-E)

Recombined into one vector.

- physics grade 11 (vector) -
**DABERECHI**, Tuesday, November 4, 2014 at 12:04pm
ANONYMOUS

- physics grade 11 (vector) -
**Henry**, Thursday, July 30, 2015 at 8:10pm
Vpw = Vp + Vw = -400 + 100[45o] =

-400 + 100*Cos45 + 100*sin45 =

-400 + 70.7 + 70.7i=-329.3 + 70.7i(Q2) =

-337(-12.12o) = 337[-12.12+180] =

337km/h[168o]. = 337km/h[78o] W. of N.

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