The frequency of a D-sharp sound wave in music is 380 Hz, and its wavelength is 0.95 m. What is the wave speed?

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .