Find the height of a building using a barometer.
Multiply the difference in pressures by the ratio of densities of mercury and air.
Unintended common sense answers
- Drop the barometer from the top of the building and measure the time before it hits the ground.
- Measure the height and length of the shadow of the barometer and the shadow of the building.
- Rappel down the building with the barometer as a yardstick.
- Lower the barometer on a string till it reaches the ground and measure the string.
- Sit on the barometer and multiply the stories by ten feet.
- Tell the janitor, “I’ll give you this fine barometer if you’ll tell me the height of the building.”
- Sell the barometer and buy a GPS.