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Acoustics
if the frequency of the tuning fork is 400 Hz and the speed of sound in air is 350 m/s .find how far sound travels while tuning fork makes 6 vibrations.
Acoustics
a sonar station picks up a return signal after 3seconds. how far away is the object?(speed of sound in water=1440m/s)
Acoustics
A bat flies at a steady rate of 4 m/s emitting 90 kHz sound wave and is flying towards a wall.It detects a reflected signal at s frequency………….kHz.Given speed of sound=340m/s.
a)90.1 b)92.1 c)91.1 d)93.1
a)90.1 b)92.1 c)91.1 d)93.1
Acoustics
A source and an observer move away from each other with a velocity of 10m/s with respect to ground.If the observer finds the frequency of sound coming from the source as 1950 Hz,then actual frequency of the source is (velocity of sound in airt =340m/s):a)2486Hz b)2132Hz c)2068Hz d)1950Hz.
Acoustics
An organ pipe enclosed at one end has fundamental frequency of 1500 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is : a) 6 b)11 c)9 d)13.
Acoustics
A source of sound of frequency 600 Hz is placed inside water.The speed of sound in water is 1500m/s,and in air,it is 300m/s.The frequency of sound recorded by an observer who is standing in air is: a)200 Hz. b)120 Hz. c)3000 Hz. d)600 Hz.
Acoustics
]A wave has a frequency 66 Hz and a velocity of 330 m/s in a particular medium. What is its wavelength?
Acoustics
The old PSTN (plain old telephone system) defined a US dialtone as follows:
dial tone is a continuous tone having frequencies of 350 and 440 Hz at a level of −13 dBm
Can someone help me write an equation using two sine waves for this example?
dial tone is a continuous tone having frequencies of 350 and 440 Hz at a level of −13 dBm
Can someone help me write an equation using two sine waves for this example?
Acoustics
The frequency of the motion of a black disk with three white spots equally placed is 20 Hz. The frequency of flashes from a stroboscope vary between 15 Hz and 250Hz. For what values of the flashing frequency does the 3 white spots appear 6 stationary points at the same time
Acoustics
Use the 5-step method and be sure to include units where appropriate. Round your answers to the correct number of significant digits.
Adjust the density formula and solve the problems below:
How many grams of tin would occupy 15.5 L, if it has a density of 17.265 g/cm3?(hint 1L=1000cm3)
Adjust the density formula and solve the problems below:
How many grams of tin would occupy 15.5 L, if it has a density of 17.265 g/cm3?(hint 1L=1000cm3)
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