The area were the molecules are least crowded in a sound wave is called the _
Q: you stood at the same point on a cold day were T2 = -7.5 °C how long is have taken fou u to hear
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Q: first order amplitude determines loudness, does our ear hear all sounds with the same amplitude as…
A: The sounds having same amplitude but different frequencies will hear at different loudness. Loudness…
Q: A loudspeaker is placed near the open end of a pipe length 87 cm closed at its other end. Calculate…
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Q: Sound from a car has a frequency of 800 Hz. If a person is stationary and the car is moving away…
A: Sound propagates as waves and when there is a relative motion between the observer and the source,…
Q: Some cameras determine the distance to the subject by sending out * 20 a sound wave and measuring…
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Q: Intensity of sound = (10] ^(-6) W/m^2, measured the intensity level? if the sound inaudible or…
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Q: Find the number of decibels for the power of the sound given. Round to the nearest decibel. A…
A: Intensity of sound due to rocket engine (I) = 2.43×10-5 Wcm2
Q: Sound 1 has an intensity level 23.0 dB higher than Sound 2. What is the ratio of their intensities,?
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Q: A musical pipe of some kind has consecutive harmonic frequencies 415 Hz and 581 Hz when the air…
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Q: What do you multiply the DBH of a tree by to get the distance required for tree to be considered…
A: The diameter at breast height (DBH) is the diameter of a tree at 4.5 feet above ground level,…
Q: (a) What is the speed of sound (in m/s) in a medium where a 152 kHz frequency produces a 0.635 cm…
A: Given, frequency f =152 kHz and wavelength is =0.635 cm
Q: How long (diameter is not significant) should a pipe organs tube be if it is to sound a 440 hz A?…
A: The Fundamental frequency is f = 440 HzIt is mentioned that the pipe is closed on 1 end and it is…
Q: Discuss the effect of density , pressure, temperature on the velocity of longitudinal waves in air.
A: Longitudinal waves are the kind of waves in which particles of wave vibrate parallelly to the…
Q: The sound intesity measured 5m from a jet engine is 10 W/m2. What is the corresponding sound level?
A: The sound level 5 cm from a jet engine= 10 watt/sq.mThe intensity that least audible be human ear =…
Q: Estimate the ratio of Bs(water)/ Bs(air) knowing approximately their ratio of mass densities and the…
A: The ratio of Bs(water)/ Bs(air) knowing approximately their ratio of mass densities and the ratio of…
Q: what is the lenght in cm of an open-open tube whose lowest reasonably frequency is 300
A: Lowest frequency, f = 300 Hz.Speed of sound, v = 343 m/s
Q: If a wave pulse with an amplitude of 2 cm overlaps with a wave pulse that has an amplitude of -4 cm,…
A: Given data: Amplitude of first wave pulse is, A1=2 cm. Amplitude of second wave pulse is, A2=-4 cm.
Q: An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound (sound frequencies…
A: Given, The speed of the sound, v=1530 m/s The time delay, t=10 s
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- The sound waves travel with speed of 205m/5 if is wavelength is 12m. Calculate the frequency of ware?Find the number of decibels for the power of the sound given. Round to the nearest decibel. A whisper, 10−11 watts/cm2 dBthen 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?