1. The altimeter on a low-speed airplane reads 2 Ian. The airspeed indicator reads 50 s. If the outside air temperature is 280 K, what is the true velocity of the airplane? 2. A tube is mounted in the test section of a high-speed subsonic wind tunnel. The pressure and temperature of the airflow are 1 and 270 K, respectively. If the flow velocity is 250 m/s, what is the pressure measured by the tube?
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