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Homework Statement
A Jet is heading due east: its nose points towards the east direction, but its trajectory on the ground deviates from the east direction due to a sideways component of the wind. The plane is also climbing at the rate of 100 km/h (height increase per unit time). If the plane's airspeed is 520 km/h and there is a wind blowing 90 km/h to the northwest, what is the ground speed of the plane?
Homework Equations
√x2+y2+z2=aThe Attempt at a Solution
Is y=90jz=100k
√x2+y2+z2=520 ?
And you solve for x?