A certain transverse wave is described by y(x, t) = B cos [2 (7 )], where B = 5.40 mm, L = 30.0 cm, and = 3.2010- s. Part A Determine the wave's amplitude. Express your answer in meters. A = Submit Part B = Determine the wave's wavelength. Express your answer in meters. Submit Part C f= Submit IVE Part D Request Answer Determine the wave's frequency. Express your answer in hertzes. V = - Request Answer VE Request Answer Determine the wave's speed of propagation. Express your answer in meters per second. ? www. ? ? ? m m Hz m/s