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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating air pressure?
Think about the variables involved.
What unit is used to measure air pressure?
Consider the SI unit of measurement.
What is the formula for air pressure?
Start with understanding what each symbol stands for.
True or False: Air pressure increases with altitude.
Think about what happens to air density when you go higher.
You are at an altitude of 3000 meters with a density of air at 1.165 kg/m³. Calculate the air pressure using the formula.
Don't forget to include the altitude in your calculations!
A mercury barometer shows that the height of mercury is 760 mm. Convert this to Pascals given the density of mercury is 13600 kg/m³ and g = 9.8 m/s².
Make sure you convert mm to meters when calculating.
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