Posted by admin | Posted in Thermo Hygrometers | Posted on 02-05-2010
Tags: energy, sensor, solar, speed, weather, wind, wind speed air pollution, wind speed air pressure, wind speed aircraft, wind speed airplanes, wind speed airspeed
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What is the speed of the aircraft in still air and the speed of the wind?
A jet aircraft cruising with the wind took 1 7/11 hours to make a 900-mi flight.The return trip against the wind required 1 hour 48 minutes.
1. The speed of the aircraft in still air is the number shown on the plane's airspeed indicator.
2. The speed over the ground:
a. with: 900 mi. in 18/11 hrs = 550 mph
b. against: 900 mi in 108/60 hrs = 500 mph.
Wind = 550-500 or 50 mph.
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