Sound intensity and droppler effect >> Physics A gas- powered lawmower is rated at 95dB. (a.)What is the sound intensity for this mower? (b.) How many times more intense is

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Q: People with good hearing can perceive sounds as low as -8.00 dB at a frequency of 3000 Hz. What is…

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Q: Sping-Undergraduate-2020-A X M Inbox (3,685)-sadik1261@gm X Mail - MUHAMMAD.ISLAM@c X Course Home…

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Q: An explosion occurs 680 m away. Given that sound travels at 340 m/s, the time the sound takes to…

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Q: Calculate the frequency of a 2.5m-long sound wave.

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Q: F VG f P A 115 kg solid sphere of radius 1.19 m is rolling without slipping on a flat surface with a…

A: Given: The mass of the sphere is 115 kg. The radius of the sphere is 1.19 m. The angular velocity of…

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Q: Calculate the speed of sound (in m/s) on a day when a 1498 Hz frequency has a wavelength of 0.225 m.…

A: frequency = f = 1498 Hz wave length =λ= 0.225 m speed = V = ?

Q: Two sounds differ in sound level by 9.4 dB. What is the ratio of the greater intensity to the…

A: Ans:- Image-1

Q: Flying Circus of Physics When you "crack" a knuckle, you suddenly widen the knuckle cavity, allowing…

A: Given, distance from ear is 0.31 m Sound level is 62 dB

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Q: 4. An air column which is closed at one end resonates at the third resonant length. The frequency of…

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Q: What is the speed of sound in air at at temperature of 25.3 degC? Number Units

A: Answer:-  Given  Speed of sound at given temperature (Tc) = 25.3o C  Speed of sound in air (Cair) =…

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A: solution as

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Q: A bat uses echolocation to detect prey as small as about one wavelength of the sound of a bat call.…

A: We know thatλ=vfWherev=speed of waveλ=wavelengthf=frequency

Q: Al changes saved 10. Use the equation v = f.A to find the speed of a wave that has a frequency of 60…

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Q: A wave generator produces 40 waves in 10 seconds. 6 full wavelengths are measured to be about 30…

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Q: 53. Determine the number of decibels that corresponds to cach of the following intensities. a. 10-12…

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Q: Which of the following is an application of the Doppler shift ? A Determining the frequency of a…

A: The relationship between observed frequency f and emitted frequency f0 is given as  f=vv+vs,rf0…

Q: A wave with a frequency of 8.80 Hz is created in an elastic rope. The diagram below represents a…

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Q: Explain the types of sound waves based on its frequency, Give an example for each,

A: 1.Infrasonic Waves (Infrasound) .Infrasonic sound has frequency below 20Hz. Example for this is…

Q: A certain source of wave produces 2880 complete waves in 1hour .the waves have a wavelength of 6m…

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Q: Two recording devices are set 3.800 feet apart, with the device at p

A: Given:   Distance between two devices is AB=3800 feet AC=3400-400+x=3000+x AC=3000+x

Q: Lesson 5: The Doppler Effect As a train approaches you, the bell's pitch appears to seems to called…

A: As a train approaches you, the bell's pitch appears to increase and then seems to decrease as the…

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A: speed of sound in water is1500m/s