__i 221-1 2 Pauc T 2,qu T_2'"A (1)211. 16.10 Note that this equation for the time-averaged power of a sinusoidal mechanical wave shows that the power is proportional to the square of the amplitude of the wave and to the square of the angular frequency of the wave. Recall that the angular frequency is equal to to = 211'. so the power of a mechanical wave is equal to the square of the amplitude and the square of the frequency of the wave