A jet travels thriough 10 degree celsius air at mach3. What is it's speed in meters per second?

A Mach number is a measure of speed.  It is the speed of the plane divided by the speed of sound.  For example, a plane flying at Mach 2 is travelling at twice the speed of sound.

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A jet traveling through 10 degrees Celsius at mach 3

Speed:1012m/s

Where did your answer come from jdh3010?

I put the numbers in 'Mach Equation' from WolframAlpha.

What is mach?

Thanks Alan, I learn something every day :))

Thanks jdh3010 too