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An experimental jet reaches 940 mph, at an altitude and temperature where the speed of sound is 320 m/s. what is the Mach number M

An experimental jet reaches 940 mph, at an altitude and temperature where the speed of sound is 320 m/s. what is the Mach number M of this jet? As this jet breaks the sound barrier, what is the angle θ of the cone it produces in degrees?

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To calculate the Mach number M of the jet we use the formula M vjetvsound where ... blur-text-image

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