How Do Natural Frequencies Arise in a Clamped Metal Rod?

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SUMMARY

The discussion focuses on calculating the first three natural frequencies of a clamped metal rod measuring 0.606 meters in length, with a wave speed of 27.4 meters per second. The natural frequencies can be determined using the formula for a clamped rod, which involves the fundamental frequency and its harmonics. The first three natural frequencies are derived from the relationship between wave speed and the rod's length, considering the boundary conditions imposed by the clamping. Visualizing the rod's vibrations at these frequencies aids in understanding the harmonic motion.

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Homework Statement



A thin, flexible metal rod has a length of 0.606 meters. One end of the rod is clamped to a table, and the other end can vibrate freely. What are the first three natural frequencies of the rod if the wave speed in the rod is 27.4 meters per second? Hint: Draw pictures of what the rod will look like when it is vibrating at the first three harmonics.

The Attempt at a Solution



How would the open end affect the motion? I am confused here...
 
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Nevermind i figured this one out also
 

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