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As shown in the figure, an airplane is moving east if the pilot is heading south to compensate for the wind effect. The wind has a constant speed in the northeast direction. The aircraft has a constant vAV speed (relative to the wind) of a 215km/h module and oriented at an angle θ with respect to the east direction. The wind shows a vVS speed with respect to the ground, of a module of 65km/h while being directed 20,0o compared to the north. What is the velocity modulus of the aircraft from the ground, vAS, and what is the value of θ?

NAs AV 20,

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Answer #1

vAS is Resultant of vAV and vVS

since ne airplane is heodina south but resulhat motov is in east divetion tis meaus hot the velocity co»po»a»* o* airplane dowar Soudh is counter by veloci VS Vs Av Sin Compone Le, A v 65 cos 20 リ 2IS A V う田 = 16.5 AS VS AV

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