at frequency does the observer hear?
Q: dolphin located in sea water at a temperature of 25°C emits a sound directed toward the bottom of…
A: Given data : Depth of the ocean = 430 m Temperature of sea water = 25°C Speed of sound in…
Q: A hiker shouts toward a cliff which is 360m away and hears his echo 2 seconds later. What is the…
A: solution: Given that d = 360 m t =2 s wavelength = 0.6 Thi
Q: An outside loudspeaker emits sound waves with a power output of 100 W. Calculate the intensity level…
A:
Q: In a sound wave, a displacement node is a pressure antinode and vice versa, Why?
A: NodeNode is the point where amplitude of oscillation is minimum, i.e. displacement is minimum. We…
Q: Is there an appreciable Doppler effect when the motion of the source is at right angles to a…
A: Due to the motion of the observer or the sound source there is a change in the frequency. This…
Q: An ambulance siren has a frequency of 1200 Hz and is moving towards you with a speed of 22 m/s.…
A: The number of waves flowing through a spot in a unit of time is known as frequency. The distance…
Q: An audio speaker producing a steady sound at an outdoor concert is 40 ft away from you. If you move…
A:
Q: At a distance of 13m from the point source the intensity is 80 dBm. At what distance from the source…
A: Intensity α1distance2 (given) I1 =80 dBr1=13 mI2 =40 dB Intensity due to point source varies with…
Q: A hiker shouts toward a vertical cliff 485 m away. The echo is heard 3 seconds later. The wavelength…
A: Given: The distance of the cliff is 485 m. The echo is heard 3 s. The wavelength of the sound is 2…
Q: The speed of sound in steel is 15 times greater than that in air. If the frequency of a wave in the…
A: Speed of sound in air = 343 m/s Speed of sound in steel = 15 * 343 = 5145 m/s Frequency of wave =…
Q: The sound of a weight dropping to the ground is 87 sec. What is the frequency of the sound wave for…
A: Frequency of the wave is the inverse of time, f = 1/ t = 1/87s = 1.149 *10-2 hertz
Q: wo waves constructively interfere; the first wave has twice the amplitude of the second. What would…
A: LET amplitude of first wave is = 2A amplitude of second wave = A we know that resulting wave…
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- A whale makes a sound in the water with a frequency of 300 Hz sound moves at a speed of 1400 n/s in water; and 340 m/s in the air. What is the wavelength of that sound in the water and What is the wavelength of the sound in the air?An organ pipe is open at one end and closed at the other end. If the fundamental standing wavelength is 0.5m, what is the length of the pipe?What is the wavelength in air at 22° C of a 440 Hz sound?
- A group of hikers hears an echo 4.00 s after shouting. How far away is the mountain that reflected the sound wave? (Assume the speed of sound is 342 m/s.) Need Help? Read ItIf a complex tone consists of harmonics of 600, 800, 1000, and 1200 Hz what will be the approximate perceived pitch (i.e. frequency) ?Dogs can here sound waves with frequencies ranging from 40 Hz to 60 kHz. What are the wavelengths of these frequencies in air (Vs = 340 m/s)?
- A sound wave that is moving towards a stationary observer will have its wavelength compressed and its frequency increased. True or False?What is the intensity ratio for a sound level increase of 40 dB?then If you stood at the same point on a cold day were T2 = -7.5 °C how long is have taken for you to hear the echo in s?