Question: The basic barometer can be used as an altitude measuring device in airplanes. The ground control reports a barometric reading of 753 mm Hg while

The basic barometer can be used as an altitude measuring device in airplanes. The ground control reports a barometric reading of 753 mm Hg while the pilot’s reading is 690 mm Hg. Estimate the altitude of the plane from ground level if the average air density is 1.20 kg/m3.

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