In Physics, Crossing a River Is Just Like Landing a Plane

In Physics, Crossing a River Is Just Like Landing a Plane

To non-pilots, landing an aircraft in a crosswind looks all but impossible.

 
 
Photo by wired.com

When the wind is perpendicular to the direction of motion of the plane, the plane has to aim in one direction—its wheels not lined up with the runway—so it moves in another.

To pull it off, the pilot must quickly change the orientation of the plane once it touches the runway.

It's hard.

 
 

 

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