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Prior to take-off, an airplane measured the air pressure to be 105 kPa. After obtaining a...

Prior to take-off, an airplane measured the air pressure to be 105 kPa. After obtaining a stable altitude, the air pressure is 55 kPa. Estimate the altitude of the plane relative to the airport for at lapse rate of 6.5 C km-1 and a reference temperature of 15 C.

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