A cargo ship sounds its horn as it approaches a port. An observer who is 12 km away noted that the average power generated by the horn is 150 W/m^2. Calculate is the intensity level of the sound generated by the horn?

Q: 1.) Determine the velocity of sound in mercury, ehich has a bulk modulus of 2.8x10¹⁰ and a density…

A:

Q: quiet home has a sound intensity of approximately 1.0 x 10-9 W/m2. When my french bulldog, Grey, and…

A: Answer              40 dB

Q: in 20°C air has a pressure amplitude of 0.800 Pa. What is the intensity of the wave? (Assume the…

A: Given:-  The temperature T = 20oC = 20+273 = 293 K  The pressure amplitude is P = 0.800 Pa  The…

Q: A person riding in car is blowing an air horn at a frequency of 302 Hz. You are sitting on a bench…

A: According to Doppler effect,  When observer is fixed and source is moving away from observer, then…

Q: A quiet home has a sound intensity of approximately 1.0 x 10-9 W/m2. When my french bulldog, Grey,…

A:

Q: A sound wave in a steel rail of a railroad track has a frequency of  641 Hz and a wavelength of 5.0…

A: Given data *The given frequency is f = 641 Hz *The given wavelength is λ=5.0 m

Q: A guitar string has a mass per unit length of 2.45 g/m. If the string is vibrating between points…

A: Given: The mass per unit length of the string is 2.45 g/m. The length of the string is 60 cm. The…

Q: The low-frequency speaker of a stereo set has a surface area of 0.06 m² and produces 1.13 W of…

A:

Q: A typical adult ear has a surface area of 1.65 X 10-3m2. The sound intensity during a normal…

A: Given,

Q: The mating call of a male cicada is among the loudest noises in the insect world, reaching decibel…

A:

Q: A person standing 1.05 m from a portable speaker hears its sound at an intensity of 4.30 ✕ 10−3…

A:

Q: Two people relaxing on a deck listen to a songbird sing. One person, only 1.66 m from the bird,…

A:

Q: The sound intensity of two alarms is detected at a particular point. The first alarm has an…

A:

Q: An air traffic controller on the ground detects a sound intensity of 0.113 W/m2 coming from a jet…

A: Given: I= 0.113 W/m2 P=1680 W

Q: The mating call of a male cicada is among the loudest noises in the insect world, reaching decibel…

A:

Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…

A:

Q: A person standing 1.20 m from a portable speaker hears its sound at an intensity of 3.90 ✕ 10−3…

A:

Q: B) Amplification of sound is heard when the water level in a 90 cm long tube is 12.1 cm below the…

A:

Q: Question 4 Listen A particular sound has an intensity of 12 W/m2 at a certain distance. If this…

A:

Q: A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The…

A:

Q: A person standing 1.05 m from a portable speaker hears its sound at an intensity of 4.70 ✕ 10−3…

A: part athe corresponding decibel level(β).part bThe sound intensity (in Wm-2) at a distance of  21.0…

Q: The audible range for humans is ________. Choose one answer.   a. 20-20,000 Hz     b. less than 300…

A: Required:   Frequency range of audible sound for humans

Q: 4. A source emits sound uniformly in all directions. There are no reflections of the sound. At a…

A: Given Intensity of the sound = 5.0 × 10-3 W/m2 Distance of this intensity from source = 12 m We have…

Q: 10 What should be the decibel rating of a sound if it has to be twice as loud as a 13 dB sound?…

A: Given that: β1=13 dB

Q: The faintest sound the human ear can detect at frequency 1kHz corresponds to an intensity of about…

A:

Q: A trumpet creates a sound intensity level of 9.80 x 10 dB at a distance of 1.10 m. (a) What is the…

A: Since there are 4 questions that yet to be answered, we will solve the first 3 only as per the…

Q: f a sound that has a level 3.00 dB lower than a 3.33 ✕ 10−9 W/m2 sound? (b)

A: Givenβ=3 dB

Q: An outside loudspeaker (considered a small source) emits sound waves with a power output of 117 W.…

A: As you already have got the answer for the sub-parts (a) and (b), we will solve for the sub-part…

Q: A trumpet creates a sound intensity level of 1.29 × 102 dB at a distance of 0.90 m. (a) What is the…

A:

Q: The lower intensity that a human can hear (which is represented with the symbol I0) is about 1x10-12…

A: The intensity of an sound is defined as a ratio of power and per unit area carried by wave. The…

Q: 95 The sound intensity is 0.0080 W/m² at a distance of 10 m from an isotropic point source of sound.…

A: Intensity of sound at a distance of 10 m from an isotropic point source of sound = I1I1 = 0.008 Wm2…

Q: A person standing 1.20 m from a portable speaker hears its sound at an intensity of 5.10 ✕ 10−3…

A: d = 1.2 m I = 5.1 *10-3W/m2

Q: Ultrasound waves at intensities above 10^4 W/m^2 can do serious damage to living tissues. If 10^4…

A: 10⁴ W/m² intensity of sound corresponds to 160 dB (decibels).  To find : 105 W/m² intensity of sound…

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

A:

Q: The howler monkey is the loudest land animal and can be heard up to a distance of 9 .8 km at an…

A: Given :     Distance, r1 = 9.8 km = 0.098 m     Intensity, I0 = 10-12 W/m2    Intensity, I = 25 dB…

Q: A noise has an intensity of 2.4×10-8 W/m2. If the threshold of human hearing is I0 = 1.0×10-12 W/m2,…

A: Given data: Intensity (I) = 2.4 ×10-8 W/m2 Threshold hearing (I0) = 1.0×10-12 W/m2 Required: The…

Q: If the intensity of a sound increases from 1 Bel (10 dB) to 3 Bel (30 dB), what is the increase in…

A:

Q: You are trying to overhear a most interesting conversation, but from your distance of 10.0 m , it…

A: You are trying to overhear a most interesting conversation, but from your distance of 10.0 m , it…

Q: the loudest land animal and, under some circumstances, can be heard up to a distance of 8.9 km.…

A: GivenIo=1×10-12 W/m2Power, P=63 μWDistance , r=210 m

Q: A typical adult ear has a surface area of 1.32 x 10-3 m². The sound intensity during a normal…

A:

Q: A person standing 1.20 m from a portable speaker hears its sound at an intensity of 5.10 x 10-3…

A: a) The expression for find intensity level of sound is β=10logII0 Insert values in the above…

Q: 1. In a television program, a young actor singing at a frequency of 1200.0 Hz is approaching a lady…

A:

Q: Two sound waves arrive to an observer, the first is loud at 2 W/m ^2 and the second one is quieter…

A: Write the expression for the intensity of  first sound.

Q: A student sitting in class detects a sound intensity of 6.27×10−76.27×10−7 W/m2 from the teacher…

A: Given value--- Intensity = 6.27 × 10-7 W/m2 . power = 5.43 × 10-4 W . We have to find--- how far…