Created by StemPy LabA string ends in a light ring that slides without friction on a smooth vertical rod. A pulse running along the string reaches the ring. The reflected pulse is
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← Two loudspeakers driven in step give sound of wavelength 0.36 m, each with amplitude a at a listener's ear. The listener is 1.17 m further from one speaker than from the other. What amplitude does the listener get?A standing wave on a wire is y = 0.09 sin(2.5π x) cos(140π t), in SI units. What is the speed of the travelling waves that form it? →
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