1. The 2013 earthquake in Bohol had a magnitude of 7.2. How much energy was released by this earthquake?

Q: 7. Consider a 2.3X10 ^6 µm long string which produces a standing wave with 3 loops. What is the…

A: Hey dear using standing wave concept we can solve this

Q: How do we identify a high-pitched sound?A. High frequencies cause only weak vibrations of the…

A: Given:How do we identify a high-pitched soundAnswer:Option(c): The whole basilar membrane vibrates…

Q: 2. Loudness is a physiological sensation sensed by the brain. Loudness varies nearly as the…

A: a) Busy street traffic = 70 dB     Close whisper = 20 dB=70-20=50 dBb) Factors on which loudness of…

Q: eaker source of the sound level of 10 dB. What is the intensity of N = 181 ces of the same sound…

A: Given: Sound level, β=10 dB Speed, N=181 The intensity of threshold hearing,Io=10-12W/m2

Q: You hear a sound of (4.5x10^1) decibels. What is the intensity? Give your answer in microwatts/m2 to…

A: according to company guideline we need to solve only first question. if you want to answered any…

Q: 7. A stretched string has a mass per unit length of 5.0 g/cm and a tension of 10 N. A sinusoidal…

A:

Q: A window whose area is 1.5 m² open onto a street. Sound at an intensity level of 75 dB enters the…

A: Since you have asked multiple questions, here the first question is incomplete so we will solve the…

Q: 1. What mathematical relationship exists between the wave speed and the tension of the medium, using…

A: Given, trendline equation , speed = 100x0.5 And x is tension.

Q: 1. Twin jet engines on an airplane produce an average sound frequency of 3700 Hz with a beat…

A:

Q: 6. Air temperature in the Sahara Desert can reach 56.0°C (about 134°F). What is the speed of sound…

A:

Q: 6. A trailer truck traveling east at 32.0 m/s sounds a 1100 Hz horn. What is the wavelength of the…

A: Speed of truck (vs) = 32 m/s        towards eastFrequency of horn(fo) = 1100 HzThe speed of sound…

Q: a. Amplitude b. Frequency c. Wavelength

A: STEP 1: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts…

Q: What mathematical relationship exists between the wave speed and the density of the medium, using…

A:

Q: A sonar device (which is 10 feet below the water surface) emits waves of frequency 50 kHz. The…

A: Given data: Sonar distance from surface d1 = 10 ft Frequency f = 50 kHz Wavelength λ=0.052 m Time t…

Q: 13. What is the frequency heard by an observer from airplane approaching at 163m/s,  if the engine…

A: The source is airplane. Given,  Speed of airplane (Source) , vs = 163 m/s (approaching the observer)…

Q: A spider hangs from a strand of silk whose radius is 4.0 x 10-6 m. The density of the silk is 1300…

A:

Q: 3. The speed of sound in salt water is approximately 1500 m/s. Humpback whales can vocalize sounds…

A: Given  Speed of sound in salt water ,  v = 1500 m/s  Ferquency range is varying from 30 Hz to 8000…

Q: 1. What is the speed of a sound wave in air at 300°K? What is the speed in helium at the same…

A: We know that,Cair Speed of sound in air=KRTKair=1.4R (Characteristic Gas Constant)=0.287…

Q: uppose and down at the surface. The setup uses a 10-W motor and has a period of 1.0 s between bobs.…

A: POWER = P = 10 Wtime = t = 1 sec

Q: 1. Ultrasound is sent through a tissue with volume 0.05 L and mass 0.6 kg. The elastic modulus of…

A:

Q: velocity

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Q: 5. You hold onto a rope and move your arms up and down at a rate of 2 cycles per second. The rope…

A:

Q: 6. The frequency of a tornado siren is 600 Hz. If a cyclist is moving toward the siren at 12 m/s in…

A: Ans:

Q: H.W: What is value of the frequency that can be received by a person before he/she was hit by a car…

A: Given: The speed of the car is 25 m/s. The frequency of the horn is 3500 Hz. The speed of the sound…

Q: 8. A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50…

A:

Q: 1.Comparing the speed of sound in liquids, gases, and solids, the speed of sound is usually lowest…

A: Comparing the speed of sound in liquids, gases, and solids, the speed of sound is usually lowest in…

Q: 13. What is the intensity of a sound wave of amplitude 0.002 dyne/cm2, measured in dB? ( some facts:…

A: The amplitude of a sound wave is, P=0.002 dyne/cm2

Q: 2. You are in a car traveling at 25.0 m/s toward a pole-mounted warning siren. If the siren's…

A:

Q: 2. If the sound intensity 4.0m from a sound source is 6.0x10-6 W/m2, what is the intensity at 1.5 m…

A: Write the variable with the given values.

Q: 3. H.W: What is the values of the frequency received via a person looking at approaching car at…

A:

Q: 3. Doubling the intensity of sound: a. Doubles the sound level. b. Increases sound level by factor…

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Q: Bats emit ultrasonic waves with a frequency as high as 2.000 ×105 Hz.  What is the wavelength of…

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Q: a. In your own words, define what a longitudinal wave is.b. Give an example of a wave that, from…

A: A.  Longitudinal waves: The waves in which the particles of medium vibrates in the same direction of…

Q: 5. A bat is flying towards a tree while emitting a sound wave with frequency 100 kHz. The bat hears…

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Q: H.W: What is value of the frequency that can be received by a person before he/she was hit by a car…

A: frequency of horn =3500Hz speed of car vs=25m/s speed of sound v=331m/s we know that doppler effect…

Q: 1. The intensity sound level in air is 68dB. Calculate Pmax if the temperature is 20°C, the density…

A: Given:-  The  intensity level of the sound is β= 68dB The density of the air is ρ = 1.20 kg/m3 The…

Q: 1.     earthquake? 2.     Suppose you have seats to a concert featuring your favorite musical…

A: sound intensity: The power carried by sound waves per unit area in a direction perpendicular to that…

Q: 58. Two waves , each with the wave lenght of 2.0 m , meet with a phase of 360o. What is the…

A:

Q: 2. A train generates a sound wave of 123 microwatts/cm2 whilst the jet engine airplane generates 875…

A: Given data: The intensity of train is I1=123 mW/cm2. The intensity of jet engine airplane is I2=875…

Q: A speaker source of the sound level of 10 dB. What is the intensit of N = 984 sound sources of the…

A:

Q: 30. For research purposes, a sonic buoy is tethered to the ocean floor and emits an infrasonic pulse…

A: We know, speed of wave(v) = (wave length (λ))/(Time period (T)) or,  λ = vT

Q: The highest frequency sound humans can hear is about 20,000 HzHz. 1. What is the wavelength of sound…

A: highest frequency of sound human can hear = fhigh=20,000Hz  lowest sound frequency human can hear…

Q: 8. When you are 5.00 meters from a point source of sound waves you detect an intensity le B, of 117…

A: