A single mosquito 5.0 m from a person makes a sound close to the threshold of human hearing (0 dB). Part A What will be the sound level of 240 such mosquitoes? Express your answer to two significant figures and include the appropriate units. Value Units 2

Q: t A is incorrect the answer is 123m but unsure how that is the answer if you can explain why?

A: H=387 m (initial height of ball and the person) S=36 m/s (constant speed of ride) u=0 (initial…

Q: Which of the following statements are correct? Which one or more? a. The perceived…

A: The perceived loudness of a sound is a subjective measure of how loud a sound seems to a listener,…

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Q: Draw 2 sets of waves such that the first wave has a lower frequency the Identify the wavelength and…

A: Two sets of waves with different frequencies are shown below

Q: What are the rules to significant figures and what are the conversions in SI? What happens to waves…

A: All the non-zero digits are significant.   Example: In 2.4567, the number has 5 significant…

Q: The Doppler effect using ultrasonic waves of frequency 2.23x10 Hz is used to monitor the heartbeat…

A: See below as handwritten

Q: 2. a The first upper tone frequency of an open organ pipe is 500 Hz. If it spreads fast noise in the…

A: THE question can be answered as follows

Q: 2. A 2.0 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal…

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Q: QUESTION 1 A stationary siren is emitting a sound at frequency 10. The graph shows the frequency you…

A: The correct option: given: graph Given data, Duration of timet=4 sfrequency of source=fo

Q: A Doppler blood flow uni 5.8 MHz.

A: Original frequency,Speed of blood,We know thatSpeed of Sound in blood,v= 1570 m/secTo find :What is…

Q: O1: Suppose the figure below represent a 50 HZ wave on a string. Find the following: Amplitude,…

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Q: A friend of yours is loudly singing a single note at 391 Hz while racing toward you at 23.8 m/s on a…

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Q: What is the time period of a sound wave with velocity 1250 m/s in air and a wavelength of 2 m?…

A: Write the given values of this problem. C=1250 m/sλ=2 m

Q: Learning Goal: To understand the nature of a sound wave, including its properties: frequency,…

A: A) To explain the sound wave. C) To explain the propagation of human voice in the air. D) To check…

Q: In a big group of people, each one is are talking with the same loudness. If 7575 % of the people…

A: Given data: The formula for the sound intensity is, β=10logII0 The percentage of people stop talking…

Q: A cassette player is said to have a signal-to-noise ratio of 60 dB , whereas for a CD player it is…

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Q: A hammer taps on the end of a 3.6-m-long metal bar at room temperature. A microphone at the other…

A: Given: Pulse separation time Δt=8.80ms=0.0088s d=3.6m To find: Speed of sound in this metal

Q: Two loudspeakers emit sound waves along the x-axis. A listener in front of both speakers hears a…

A: what is the frequency of the sound?Calculations:

Q: A sound wave in air at 20°C has a frequency of 330 Hz and a displacement amplitude of 5.00×10-3 mm.…

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Q: Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound…

A: A) Solve the provided value.…

Q: You have a stopped pipe of adjustable length close to a taut 62.0 cm, 7.25 g wire under a tension of…

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Q: Two speakers are 6.0 m apart and play identical sound of wavelength 5.0 m. Each grid length is 1.0…

A: Required to find the path difference at points P and Q.

Q: A mosquito flaps its wings at a rate of 600 vibrations per second, which produces the annoying…

A: Given : f = 600 Hz v = 340 m/s

Q: What is the final measurement of the Micrometer, where number of divisions in the thimble scale is…

A: We know that-Micrometer reading=Main Scale reading+ Least count x Circular scale readingwhere,least…

Q: An A sound source and a B reflective surface are approaching directly towards each other. Source…

A: Given : An A sound source and a B reflective surface are approaching directly towards each other.…

Q: The sound intensity level inside a typical modern airliner in flight is 66.0 dB. The air in the…

A: The intensity of the sound = 66 dBThe density = 0.920 kg/m^3The speed of sound = 344…

Q: A guitar string is 90 cm long and has a mass of 3.4 g. The distance from the bridge to the support…

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Q: N whistles produce a sound level intensity B. Calculate the sound level intensity produced by one…

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Q: possible frequencies

A: Let the tuning fork frequency (ν1)= 261 Hz,Number of beats per second=3,Consider the piano frequency…

Q: The position of a SHO as a function of time is given by x=3.8 cos(5πt/4+π/6) where t is in seconds…

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Q: A violin string is 36.0 cm long. It sounds the musical note A (440 Hz) when played without…

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Q: A hammer taps on the end of a 4.4-m-long metal bar at room temperature. A microphone at the other…

A:

Q: (Figure 1) is a snapshot graph of a wave at t = 0 s. Figure y (cm) 4 2 -2 -4 24 m/s A 4 8 12 16 20 x…

A: Solution: The wavelength is the distance between the two crests or two troughs from the graph as…

Q: Speakers A and B are vibrating in phase. They are directly facing each other, are 6.91 m apart, and…

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Q: Two organ pipes, open at one end but closed at the other, are each 1.10 m long. One is now…

A: Solution:-Given thatLength of first pipe(L1)=1.1 mLength of second pipe (L2)=L1+1.1 cm=1.1 m+0.011…

Q: You have a stopped pipe of adjustable length close to a taut 62.0 cm, 7.25 g wire under a tension of…

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Q: Part A What is the speaker's power output if the sound intensity level is 95.0 dB at a distance of…

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Q: Two identical loudspeakers separated by distance d emit 150 Hz sound waves along the x-axis. As you…

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Q: A guitar string is 90.0 cm long and has a mass of 3.00 g . From the bridge to the support post (= l)…

A: Given :   l = 60 cm                   = 60 x 10-2m             T = 527 N            m = 3 x 10-3 kg…

Q: A spool of wire 150 m long has a mass of 0.190 kg when weigh on a scale. This string is used to set…

A: Concept: To determine the required spring tension we will use the formula of the fundamental…

Q: At a rock concert, a dB meter registered 132 dB when placed 2.5 m in front of a loudspeaker on the…

A: (A) The intensity of sound and sound level have the relation  β=10 log10II0…

Q: A string on an instrument is tuned to vibrate at a fundamental frequency of 56 Hz. If the tension in…

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Q: A baseball park is filled with 4400 home-team fans. In the bottom of the ninth inning, the home…

A: Given  No.of fans = 4400  Intensity, I = 10-5 W/m2    Total intensity heard by  pitching sound, I=…

Q: On December 26, 2004, a great earthquake occurred off the coast of Sumatra and triggered immense…

A: Given: In this question, the given values are, The value of the given wavelength is, λ=800×103m. And…

Q: A 1.0-m-tall vertical tube is filled with 20°C water. A tuning fork vibrating at 580 Hz is held just…

A: To determine the water heights at which a standing wave will occur in the tube above the water, we…

Q: During takeoff, the sound intensity level of a jet engine is 150 dB at a distance of 32 m. Part A…

A: