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a near vacuum with a few Mercury atoms

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13y ago

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Why must a barometer be open to the air at one end and close at the other end?

A barometer is used for measuring atmospheric pressure. The barometer sealed on the top with an open bottom in order to allow air pressure to push down.


How do you calculate the height of a mountain using a barometer?

throw a barometer from top of thebuilding note the time in which it falls. then put the values in:-height=9.8/2(time)^2i don't guaranty the safety of your barometer...!!!!


If Torricelli had drilled a little hole at the top of his barometer?

If Torricelli had drilled a little hole at the top of his barometer, the mercury inside would not have remained in a vacuum at the top. Instead, air would enter the tube, equalizing the pressure and causing the mercury to drop, rendering the barometer ineffective for measuring atmospheric pressure changes. This illustrates the importance of maintaining a sealed environment in barometric measurements to ensure accurate readings.


Air pressure is typically measured with a?

Air pressure is measured with a barometer.


What is an aneroid barometer called?

Well, an aneroid barometer, is called an aneroid barometer- but, a barometer measures air pressure, and an aneroid barometer is a barometer that contains no liquid.


How does the weight of mercury in barometer tube compared with weight of equal cross section of air from sea level to top of atmosphere?

The weight of mercury in a barometer tube is significantly greater than the weight of an equal cross section of air from sea level to the top of the atmosphere. This is due to the much higher density of mercury compared to air. The weight of the mercury column in the barometer creates the atmospheric pressure that is measured.


What does a barometer has in it?

barometer has mercury inside it .


Why must of barometer be open to the air at one end and close to the other?

becuase my peepaw said so


What is a barometer test?

What is the civilian barometer test?


How was Stonehenge used as a barometer?

It was not used as a barometer.


What is the plural of barometer?

The plural for barometer is barometers.


What is a barometer with Mercury called?

A mercury barometer.