A snapshot of a simple wave moving in the positive x-direction is shown in the graph below. Find the following parameters of the wave if a = 12 cm, b = 58 cm, and the wave has a frequency of 30 Hz. y [cm] b a x [cm] The amplitude of the wave, A = Units Select an answer v The wavelength of the wave, A = Units Select an answer v The period of the wave, T = Units Select an answer v . The speed of the wave, v = Unit v Select an answer m/s*2 m/s Question Help: Message instructor Hz Submit Question kg cm no units required