A sphere of mass M = 1 kg is supported by a string that passes over a pulley at the end of a horizontal rod of length L = .3m. The strong makes an angle theta = 35 degrees with the rod. The fundamental frequency of standing waves in the portion of the string above the rod is f= 60 hz. Find the mass of the portion of the string above the rod.

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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.