A truck travels beneath an airplane that's moving 200 km/h at an angle of 21 degrees to the ground. How fast must the truck travel to stay beneath the airplane?
The airplane is traveling at 200 km/h and its velocity makes an angle of 21 degrees to the ground. The velocity of the airplane can be divided into a horizontal and a vertical component.
The magnitude of the vertical component of the...
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BTW, also, what's the magnitude of the vertical component of the velocity of the plane? Answer in units of km/h