If a plane is travelling at 37000 ft how long would it remain visible to the naked eye on a clear day?

That depends on how high above the ground your eyes are. You can then calculate the distance to the horizon. Do you have perfect vision?If a plane is travelling at 37000 ft how long would it remain visible to the naked eye on a clear day?
What is the speed of the plane ? How large is the plane ?





Do you assume our vision can detects it regardless how small it is ?If a plane is travelling at 37000 ft how long would it remain visible to the naked eye on a clear day?
As long as you can see.unless no skyscapper comes in your way.
40,000
If the plane is travelling straight up , it will take about 5hrs to be visible from starting point.
At a flash.
depends on how well you see if you tell that maybe people will tell u
That depends on your own ability to see doesn't it?