A resonating glass tube is closed at one end is 4 cm wide and 79 cm long. a) What are the frequencies of the first 3 harmonics? b) What are the wavelengths of the first 3 harmonics?
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- A resonating glass tube closed at one end is 4 cm wide and 47 cm long. What are the frequencies and wavelengths of the first three harmonics for the resonating tube? The speed of sound in air is 343 m/s. Remember to include the following when answering these questions: What did you get? (your answer with the correct units and supporting work) How did you get that? (the equation you chose to use to get your answer) Why did you use that? (the concept that supports the use of the equation that you chose to use)A bass guitar string is 1.5 m long. If the fundamental frequency is 220 Hz, calculate the following for the first 3 harmonics? a) Wavelengths b) Frequencies c) Wave speed Remember to include the following when answering these questions: What did you get? (your answer with the correct units and supporting work) How did you get that? (the equation you chose to use to get your answer) Why did you use that? (the concept that supports the use of the equation that you chose to use)2) Comment on the Phase velocity (Vp) of the waves for increased values of Δω and Δk. 3) When do we see Vp and Vg being the same? 4) Draw a typical dispersion relation curve (ω-k curve) for Vp = Vg and Vp ≠ Vg cases.
- Hand draw the first three modes of a standing wave with two fixed ends (like a guitar string). If the length of the resonant cavity is L, what are the wavelengths of these first three modes?Which of the graphs to the left correspond to each of the two initial waves you were given? You may find it helpful to plot these graphs on your own. If you do it by hand, you will gain even more insight. 1.) the graph that corresponds to y2( amplitude =1, wavelength =4, frequency =1 , and wave velocity =4)? 2.) the graphs the correspond to y1( amplitude =1, wavelength =2, frequency =1 and wave velocity =2)? 3.) the graphs that correspond to superposition of y1 and y2?(i) What is a wavefunction? (ii) What are the two parts of a wavefunction? (iii) What is the importance of squaring a wavefunction? (iv) Where is a wavefunction obtained from?
- A 1.0-m-tall vertical tube is filled with 20 ∘C water. A tuning fork vibrating at 579 Hz is held just over the top of the tube as the water is slowly drained from the bottom At what water heights, measured from the bottom of the tube, will there be a standing wave in the tube above the water? Express your answer numerically. If there is more than one answer, enter your answers in descending order separated by commas.1.State an example of a standing wave that you have observed in your surrounding. Answer comprehensively. 2, What do you think is needed for the standing wave to occur?III: Solve/Answer the following problems. Show your solutions. 1. Suppose you want to increase the level of sound by 15.0 dB. Determine the factor to which the sound intensity must be increased. Explain your answer. 2. It is winter, and the temperature decrease to -5°C. Assume that the length of a certain steel bar is 10. O m. find the length of the steel bar during summer when the temperature is 40°C. (Thermal Expansion) 3. In a half-hour, a 65-kg jogger can generate 8.0x105J of heat. This heat is removed from the body by a variety of means, including the body's own temperature-regulating mechanisms. If the heat were not removed, how much would the body temperature increase? (Specific heat Capacity)
- 1) What does it mean to measure sound in decibels? 2) Explain how Hooke's law is related to simple harmonic motionPlease help thank you very much!! Required information: A harpsichord string of length 1.50 m and linear mass density 25.0 mg/m vibrates at a fundamental frequency of 490.0 Hz. a) What is the speed of the transverse string waves? b) What is the tension?Analyze the situation below by applying SUPERPOSITION OF WAVES and answer the given questions. Two fire trucks with sirens on speed towards and away from an observer as shown below. Which truck produces a higher than normal siren frequency? Which truck produces a lower than normal siren frequency? Which sound property describes how high or low a sound seems to a person? Please answer the question give an explanation. This is not a writing assignment