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10 Nov 2019

A light 3 m long string with a mass per unit length of 8.00 gm/mhas its ends tied to two walls separated by a distance equal to 3/4the length of the string. An object of mass M is suspended from thecenter of the string, putting tension in the string.

a) Determine an expression for the transverse wave speed in thestring as a function of the mass of the hanging object.

b) What should be the mass of the object suspended from thestring if the wave speed is to be 60.0m/s?

c) If the wave speed is 60.0 m/s and you pluck the string andobserve that it is vibrating in the simplest possible mode, what isthe wavelength and frequency of the transverse wave in thestring?

A light 3 m long string with a mass per unit length of 8.00 gm/mhas its ends tied to two walls separated by a distance equal to 3/4the length of the string. An object of mass M is suspended from thecenter of the string, putting tension in the string.

a) Determine an expression for the transverse wave speed in thestring as a function of the mass of the hanging object.

b) What should be the mass of the object suspended from thestring if the wave speed is to be 60.0m/s?

c) If the wave speed is 60.0 m/s and you pluck the string andobserve that it is vibrating in the simplest possible mode, what isthe wavelength and frequency of the transverse wave in thestring?

Hubert KochLv2

13 Mar 2019