Well I THINK that wind is measuered by where it is coming from, so its going head on to the plane. And the wind would be the speed of the plain added by the speed of the wind. Because its 145km/h over ground, plus the wind is pushing against it at 172km/h......
The first one just use your basic projectile motion formuala's
I should be in the world cup. The Soccer Cult
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Over the Hill.