Created by StemPy LabA light string is joined to a heavier string whose linear mass density is times as large, and the pair is stretched with one tension. An upright pulse of height travels along the light string towards the joint. What pulses leave the joint?
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← A whistle of frequency 660 Hz is tied to a string and whirled in a horizontal circle of radius 1.5 m, at 4.0 revolutions per second. A listener stands far away, at rest, in the plane of the circle. The speed of sound is 340 m/s. What is the highest frequency the listener hears?A car moves along a straight road at 30 m/s and sounds a horn of frequency 500 Hz all the time. A listener stands at rest 40 m from the road. The speed of sound is 340 m/s, and the air is still. What frequency does the listener hear at the instant the car is nearest to the listener? →
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