A wave travels along the x-axis in the direction of decreasing x along a cable having a linear mass density of Mu = 50.0 g/cm and under a tension of T = 60.0 N. The frequency of the wave is f = 20.0 Hz. a) Find the wavelength and period of this wave. b) If the amplitude of the wave is 1.5 cm, find the equation for the wave as a function of x and time, t. c) Determine the average power of the wave.

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.