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The speed of sound in aluminum is 5000 m/s. We excite standing waves in a rod of aluminum 1.30 m long such that there is an antinode at each end of the rod and only one node half-way between. Find the frequency (Hz) of the standing wave.
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Question: A solid disk of mass m1 = 9.6 kg and radius R = 0.24 m is rotating with a constant angular velocity of ? = 30 rad/s. A thin rectangular rod with mass m2 = 3.4 kg and length L = 2R = 0.48 m begins at rest above ...
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