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13 May, 16:09

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

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  1. 13 May, 18:28
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    A supersonic speed has a Mach number ranging from 1.2 to 5. Supersonic speed tells us that an object's rate of travel is faster than the speed of sound. The Mach number is a dimensionless ratio between velocity and the local speed of sound for an incompressible flow in liquids and gases. It is determined by the equation M = u/c where u is the local flow velocity and c is speed of sound in the medium.
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