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6 results for “mach”

Formulae (6)

MA = \frac{F_{out}}{F_{in}}

Force amplification of a simple machine.

\eta = \frac{P_{out}}{P_{in}} \times 100\%

Ratio of useful output to input power.

MA = \frac{F_{out}}{F_{in}}

Force amplification of a machine.

M = \dfrac{v}{a}

Ratio of true airspeed to the local speed of sound.

a = 38.94\sqrt{T}

Local speed of sound (kt) as a function of absolute air temperature (Kelvin).

M = \frac{v}{a}

Ratio of speed to the local speed of sound.