Consider the flow pass a cylinder. Subsonic compressible flows on cylinder and sphere are similar in but differ in magnitude from them in Incompress-ible flow. In fact, because of the blunt shape of these objects, their Critical Mach number are relatively low. Specifically: for cylinders:for spheresExplain why theof a sphere is higher than that of a cylinder in a physical basis.

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Mcr = 0.404;