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  1. Air pressure difference in inside and outside of house

    Jan 12, 2010 · Pressure is defined like FORCE/SURFACE [Pa] so the outside pressure close to the Earth is atmosphere pressure (101 325 Pa) defined by the mass of air/surface.Why is the …

  2. Is it possible to calculate pressure without a barometer?

    Aug 1, 2019 · Summary: Given a desired pressure, a known volume, and the volume per pump, is it possible to calculate how many pumps are necessary to reach a desired pressure. I don't …

  3. Atmospheric pressure vs elevation understanding problem

    Apr 27, 2017 · My wife has a medical condition where her symptoms are reduced at a higher elevation. I have done some study about the relationship between elevation and atmospheric …

  4. (Respiration) how water vapor affects barometric pressure

    Feb 14, 2014 · The discussion focuses on understanding the calculation of partial pressures of gases in the lungs, specifically the partial pressure of oxygen (PO2) and the impact of water …

  5. Calculating height given pressures and temperatures

    Dec 25, 2012 · The discussion focuses on calculating the altitude of an airplane using barometric pressure and temperature data. Key points include the need for consistent units when applying …

  6. Isothermal pressure change in a U-shaped tube - Physics Forums

    Feb 12, 2020 · Homework Statement The U-tube in figure 2-18, of uniform cross section 1 cm^2, contains mercury to the depth shown. The barometric pressure is 750 Torr. The left side of the …

  7. EFFECT OF Air PRESSURE ON WEIGHT - Physics Forums

    Oct 17, 2012 · I have learned that due to upward thrust of air, the weight of an object is reduced to some extent than the real weight. What about of the effect of air pressure or atmospheric …

  8. Measuring changes in barometric pressure without a barometer

    Nov 17, 2016 · Using a water u-gauge (manometer) to measure changes in barometric pressure involves sealing one side to trap air at initial atmospheric pressure while leaving the other side …

  9. Atmospheric pressure at high altitude - Physics Forums

    Jun 9, 2004 · Actual pressure readings are useless for meteorological purposes for just the reason you asked the question --- the altitudes at which barometric readings are taken vary. …

  10. Understanding MAP Sensor Reading on Peugeot Cars - Physics …

    Apr 12, 2015 · The discussion centers on the behavior of the MAP sensor readings in Peugeot cars compared to those in Ford vehicles. The Peugeot's MAP sensor shows a drop in …