11) How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the intensity at a distance of 800 meters? A) Factor of 800 weaker at 800 m. B) Factor of 2400 weaker at 800 m. C) Factor of 640,000 weaker at 800 m. D) Factor of 10800 weaker at 800 m.

11) How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the intensity at a distance of 800 meters? A) Factor of 800 weaker at 800 m. B) Factor of 2400 weaker at 800 m. C) Factor of 640,000 weaker at 800 m. D) Factor of 10800 weaker at 800 m.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter6: Waves And Sound

Section: Chapter Questions

Problem 32Q

See similar textbooks

Related questions

Q: 2. An ambulance travels down a straight section of highway at a speed of 120 km/h, its siren…

A: Given: The speed of the ambulance is v=120 km/h. The frequency of sound of siren is f=500 Hz. The…

Q: Show that if one sound is twice as intense as another, it has a sound level about 3 dB higher.

A: Given, We know,

Q: Determine the length of a wind instrument, assuming that it is modeled as a closed tube and that the…

A: Given data: A closed tube Fundamental frequency (f1) = 104 Hz Speed (v) = 343 m/s Required: Length…

Q: 2. A car traveling at 30.0 m/s sounds its horn as it overtakes and passes another car traveling at…

Q: Some hearing aids can help the wearer pick out a single voice in a room full of people talking. This…

A: How does a hearing aid help the wearer pick out a single voice in a room full of people talking.

Q: 4. A source of sound and an observer-are moving directly toward each other. The source has a…

A: Given information: The frequency of the source (fs) = 500 Hz The speed of the source (Vs) = 30 m/s…

Q: 10. The decibel level of a jackhammer is 125 dB relative to the threshold of hearing. Determine the…

A: The decibel level of jack hammer =125dB

Q: 2. The sound intensity is 3X10°w/m² at a distance of 10m away from the source. How much power is…

A: The intensity at a point is defined as the power per unit area . I=P/A So P= IA

Q: Determine the length of an closed-end air column that produces a fundamental frequency (1st…

A: Here, the wavelength can be obtained as

Q: 4. If one sound is 30 dB greater than another sound, what is the ratio of the larger intensity over…

Q: 4. The frequency of a car horn is 400 Hz. Find (a) the wavelength of the sound, and (b) the…

A: Given, Frequency of a car horn = 400 Hz Speed of sound in air = 340 m/s

Q: 8. The equation of a transverse wave travelling in a rope is given by y = 60 cos÷(0.005x – 8.0t –…

A: Standing waves are defined as the waves which oscillate with respect to time with same amplitude .…

Q: 8. Two sound waves whose equations are Y-2 sin 200 t and y =6 sin 208 t- 400 100 superpose each…

Q: A vocal tract acts as an air column closed at one end. The vocal tract of a singer is 25.0 cm long…

A: Given that A vocal tract acts as an air column closed at one end. Length of the local tract L = 25.0…

Q: Q14/The intensity in w/m? of a sound level of 60db is-- - knowing that the threshold of hearing =…

A: Given: Sound level = 60db. L = 60 db or 6bel Threshold of hearing Io = 10-12 w/m2 To determine:…

Q: Question 2. A fire truck travels at a speed of 80.0 km/h with its siren emitting sound at a…

A: speed of truck = 80 kmhrfrequency of the siren emitted by the fire truck = 400 Hz speed of car in…

Q: A wave is modeled with the wave function y(x, t) = 0.8m cos[ 100cm-'x - 4.25s't + t/14] Calculate…

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: 7. What is the lowest frequency (excluding the fundamental) at which standing wave can occur in a…

A: Given data: Length (L) = 0.90 m Pipe opens at both ends Speed of sound (v) = 339 m/s Required:…

Q: Problem #13: A source of sound emits 5.0 mW of acoustic power uniformly in all directions. (a)…

Q: 31. IE. A dog's bark has a sound intensity level of 40 dB. (a) If two of the same dogs were barking,…

Q: The intensity of a fire alarm is 0.0015 W/m^2. After a minute, the sound level of the alarm is…

A: Given information: The intensity of the sound of the alarm (I) = 0.0015 W/m2 The sound level of the…

Q: You are trying to overhear a juicy conversation, but from your distance of 15.0 cm , it sounds like…

A: It is given that,

Q: 103. In a discussion person A is talking 1.5 dB louder than person B, andperson C is talking 2.7 dB…

A: The intensity of sound can be expressed as β=10logII0 1

Q: 86. •Biology If the human car canal with a typical length of about 2.8 cm is regarded as a tube open…

A: Given:- human ear canal with a typical length =2.8 cm speed of sound = 343 m/s…

Q: Which is the purpose of resonance in musical instruments? a. to increase the pitch b. to amplify…

A: The purpose of resonance in musical instruments is to amplify the sound.

Q: Describe how you would calculate the wavelengths of sounds at the extremes of the audible range, 20…

Q: 7. The decibel level of the sound from a certain washing machine is measured at 50 dB. Find the…

A: The sound intensity level in decibel can be represented as, Here, I and I0 represent the sound’s…

Q: A steel wire has a length of 12.0 m and a mass of 2.10 kg. What should be thetension in the wire so…

A: Let m be the mass of the string, l be its length, T be the tension in the string, and v be the…

Q: A sound wave has a wavelength of 3.0 m. The distance between the center of a compression and the…

Q: GOAL Use the concept of interference to compute a frequency. 0.350 m 1.15 m PROBLEM Two speakers…

A: distance between two speakers (D) = 3 m horizontal distance of listner from the midpoint of the two…

Q: 56. The human ear can just barely distinguish between two sounds if one is 0.6 decibels higher than…

Q: Please help with questions 6 and 8

Q: 56. Suppose that a public address system emits sound uniformly in alldirections and that there are…

A: Distance from the sound source, r=22 m Intensity of the sound at distance r=22 m is I=3.0×10-4W/m2…

Q: Problem #15: With one violin playing, the sound level at a certain place is measured as 50 dB. If…

A: Sound level of one violin = 50 dB

Q: #2. The lowest note on a grand piano has a frequency of 27.5 Hz. The entire string is 2.00 m long…

Q: 10. If the intensity for 5 bugs is 6 x 10-12 W/m² then what is the intensity for 1 bug? For 3 bugs?…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Question No. 16 A sound wave source produces 30 crests and 30 troughs in 0.3 second. Find the…

A: Given: Crest completed = 30 Troughs completed = 30 time taken = 0.3seconds To find: frequency of the…

Q: 5. When one person was talking in a small room, the sound intensity level was 60 dB everywhere…

Q: 6. What is the lowest frequency (excluding the fundamental) at which standing wave can occur in a…

Q: A family ice show is held at an enclosed arena. The skaters perform to music with level 80.0 dB.…

Q: sounds different

A: Frequency is the number of oscillations the soundwave goes through. It determines pitch - what note.…

Q: 5. The sound intensity from a jack hammer breaking concrete is 2.30 W/m2 at a distance of 1.80 m…

Q: Determine the length of an open-end air column required to produce a fundamental frequency (1st…

Q: can someone help with this with explanation? thanks!

Q: Doppler uses ultrasound to measure blood flow velocities. Assume that the device emits sound at a…

A: Given the Parameters : Frequency of device, F = 3.5 MHz = 3.2 × 10³ Hz Speed of sound in tissue = Vs…

Q: A fire truck is moving at 45 m/s, and a car in front of the truck is moving in the same direction at…

Question

100%

I need help with #11

C
Provide an appropriate response.
10)
10) If a population has exceeded the carrving capacity of its environment, it may suffer a rapid and
severe decrease in the population. What is the name of this type of population decrease?
A) Annual growth rate
C) Overshoot
B) Logistic growth
D) Collapse
Use the decibel scale to answer the question.
11) 0
11) How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the
intensity at a distance of 800 meters?
A) Factor of 800 weaker at 800 m.
B) Factor of 2400 weaker at 800 m.
C) Factor of 640,000 weaker at 800 m.
D) Factor of 10800 weaker at 800 m.
Determine whether the growth (or decay) is linear or exponential, and answer the associated question.
12)
12) The price of a gallon of gasoline is increasing by 1¢ per week. If the price is $3.08 per gallon today,
what will it be in ten weeks?
A) Exponential; $3.40
C) Exponential; $3.11
B) Linear; $3.18
D) Linear; $3.17
Provide an appropriate response.
13) The half-life of a drug in the bloodstream is 12 hours. By what factor does the concentration of the
drug decrease in 23 hours?
A) 0.02
13)
B) 0.07
C) 0.26
D) 3.78

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

An interstate highway has been built through a neighborhood in a city. In the afternoon, the sound level in an apartment in the neighborhood is 80.0 dB as 100 cars pass outside the window every minute. Late at night, the traffic flow is only five cars per minute. What is the average late-night sound level?
Show mat the speed of sound in 20.0°C air is 343 m/s, as claimed in the text.
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 100. dB. (a) Calculate the intensity of the sound wave emitted. (b) What is the intensity level if three of these toadfish try to make a sound at the same time?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation topically require integrating Or extending the concepts presented thus far.) What is the difference between a longitudinal wave and a transverse wave? Give an example of each.
The warning tag on a lawn mower states that it produces noise at a level at 91.0 dB. What is this in watts per meter squared?
Due to efficiency considerations related to its bow wake, the supersonic transport aircraft must maintain a cruising speed that is a constant ratio to the speed of sound (a constant Mach number). If the aircraft flies from warm air into colder air, should it increase or decrease its speed? Explain your answer.
. A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.01 s later (Figure 6.54). How far away are the fish
Dolphins make sounds in air and water. What is the ratio of the wavelength at a sound in air to its wavelength in seawater? Assume air temperature is 20.0°C.
What is the minimum speed at which a source must travel toward you for you to be able to hear that its frequency is Doppler shifted? Thai is, what speed produces a shift of 0.300% on a day when the speed of sound is 331 m/s?
A sound wave traveling in 20°C air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?
A popular party trick is to inhale helium and speak in a high-frequency, funny voice. Explain this phenomenon.
Stems in the South Pacific can create waves that travel all the way to the California coast, which are 12.000 km away. How long does it take them it they travel at 15.0m/s ?