Friday
March 27, 2015

Homework Help: physics

Posted by flame on Tuesday, October 26, 2010 at 12:22am.

A plane can fly at Mach 1.47, which means the speed of the plane is 1.47 times the speed of sound in air. What is the angle between the direction of propagation of the shock wave and the direction of the plane's velocity? How is the answer 47.1 degrees

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