50 miles hour. This equation can be used to calculate wave speed when wavelength and frequency are known. The radius of the circular path is r.
To work out what the units are for speed you need to know the units for distance and time.
Q r v A r A W T r A L displaystyle Qrho vA frac rho AW T frac rho A L where. To work out what the units are for speed you need to know the units for distance and time. In computing computer performance is the amount of useful work accomplished by a computer system. Wave speed is related to wavelength and wave frequency by the equation.