Oscillator to set up the fourth harmonic on the string

Reference no: EM13548468

In the figure, a string, tied to a sinusoidal oscillator at P and running over a support at Q, is stretched by a block of mass m. Separation L = 1.2 m, linear density ? = 1.8 g/m, and the oscillator frequency f = 100 Hz. The amplitude of the motion at P is small enough for that point to be considered a node. A node also exists at Q. (a) What mass m allows the oscillator to set up the fourth harmonic on the string? (b) What standing wave mode, if any, can be set up if m = 3 kg (Give 0 if the mass cannot set up a standing wave)?

Reference no: EM13548468

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