Plane flying southwest at 155mi/hr. their is a wind from the west at 45.0mi/hr. what's the planes new velocity
West ground velocity component = 155cos45 -45 = 64.6 mi/hr Resultant ground speed = sqrt[(109.6)^2 + (64.6)^2] = 127.2 mi/hr Ground velocity direction = arctan(64.6/109.6) = 30.5 degrees West of South
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