observed with any mass between these values. (a) What is the frequency of the vibrator? (b) What is the largest object mass for which standing waves could be observed?
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- A string is fixed on both sides. It is snapped from both ends at the same time by applying an equal force. What happens to the shape of the waves generated in the string? Also, will you observe an overlap of waves?A standing wave pattern is created on a string with mass density p = 3 x 10-4 kg/m. A wave generator with frequency f = 62 Hz is attached to one end of the string and the other end goes over a pulley and is connected to a mass (ignore the weight of the string between the pulley and mass). The distance between the generator and pulley isL = 0.66 m. Initially the 2rd harmonic wave pattern is formed. 5)What is the wavelength of the wave? 6) What is the speed of the wave? 7) What is the tension in the string? 8) What is the mass hanging on the end of the string? 9) Keeping the frequency fixed at f = 62 Hz, what is the maximum mass that can be used to still create a coherent standing wave pattern?Sound waves can be modeled as a spherical plane wave. For radial distances of 0.75 m, 2.5 m, and 5.5m, for a horn of 200 W, determine the inensities at each of these locations.
- Please asapA weather emergency siren is mounted on a tower, 153 m above the ground. On one hand, it would be a good idea to make the siren very loud so that it will warn as many people as possible. On the other hand, safety regulations prohibit the siren from exceeding an intensity level of 101 dB for workers standing on the ground directly below the siren. Assuming that the sound is uniformly emitted, what is the maximum power that the siren can put out? maximium power output: W * TOOLS х10 How far away from the bas and still be able to hear the siren? Neglect any absorption of sound energy by the air; although, in reality, such absorption would be significant at long distances. maximum audible distance: m