A person is standing beside the open doorway of an empty barn. A pole of the same length as the barn is lying on the ground outside the barn. A second person picks up the pole and runs toward the barn at 90% of the speed of light, with the pole pointing toward the barn (a very athletic person!). How long does the pole appear to be to the person standing by the door, compared to the barn?

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The Answer of A person is standing beside the open doorway of an empty barn. A pole of the same length as the barn is lying on the ground outside the barn. A second person picks up the pole and runs toward the barn at 90% of the speed of light, with the pole pointing toward the barn (a very athletic person!). How long does the pole appear to be to the person standing by the door, compared to the barn?

A Person Is Standing Beside the Open Doorway of an Empty