(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A transverse sinusoidal wave is produced at one end of a long horizontal string by a bar that moves with an amplitude of1.12 cm. The frequency of motion of bar is120 Hz. The linear density (m) of string is117 gm/m. The other end is attached to a mass of4.68 kgthat hangs under gravity. Find the maximum magnitude of transverse component of tension . Also find the maximum power transferred along the string . Takeg=10m/s^2

3. The attempt at a solution

The weight of 46.8 N is being balanced by tension. So tension in the string should be 46.8N. We can get the velocity of wave by the formulav=(T/m)^.5which comes out to be 20m/s. To find the maximum magnitude of transverse component of tension we need the maximum angle made by the string with the horizontal. We can write the wave equation asy=Asin(2(pi)nt), n is the frequency (120 Hz) . But how to find the angle ? The power transferred by the string is proportional to A^2. But how to find its variation with time ?

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# Homework Help: Transverse component of tension in a string

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