Posted by help on Sunday, April 21, 2013 at 6:17am.
The velocity of sound in the atmosphere is c=300 m/s. An airplane is traveling with velocity v=600 m/s at an altitude of h=8 km over an observer. How far horizontally past the observer in kilometers will the plane be when the observer first hears the noise of the airplane?

physics  er, Sunday, April 21, 2013 at 12:57pm
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