# Mach Number Question

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So, I understand the concept of the mach number.

Where theta is the mach angle, v is the speed of some object, and vs is the speed of sound.

sin(theta) = v/vs = mach #

However, does this formula still apply when an object is travelling at speeds that are not subsonic?

For example, if an object is travelling at 2vs, then 2vs/vs = 2 for the mach number, but sin(theta) can't ever be more than one.