How to Measure the Height of a Building With a ... Barometer?

Physicists like to share the legend of a professor who asked students how they might determine the height of a building using a barometer. The story goes on to list some of the ways you might do that. You could drop the barometer from the roof and record the time it takes to hit the ground. Or you could offer the barometer as a bribe to the building manager and ask him the height.

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