Physics, 16.11.2020 17:50 ryleerose255
Musical instruments (normally) vibrate in the sfundamental state. To change the frequency ( and therefore the note) from a guitar string, the player will pin the strings down to force nodes in different places, thereby changing the wavelength. Piano wires are struck with a hammer and produce only one note each. The piano itself has a fixed size and filling it with wires of varying lengths up to several meters long is not feasible. What is different about each piano wire to allow them to have different resonant frequencies?
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You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
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What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?
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Musical instruments (normally) vibrate in the sfundamental state. To change the frequency ( and ther...
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