Find the intensity level in decibels at that distance

Assignment Help Physics
Reference no: EM13689721

Compute the each part of following problem given below:

Problem: An outside loudspeaker (considered a small source) emits sound waves with a power output of 90 W.

Part I: Find the intensity 10.0 m from the source.

W/m2

Part II: Find the intensity level in decibels at that distance.

dB

Part III: At what distance would you experience the sound at the threshold of pain, 120 dB?

m

I need expert help to solve the above question.

Reference no: EM13689721

Questions Cloud

What is the lowest resonant frequency of this pipe : The windpipe of a typical whooping crane is about 5.0 ft long. What is the lowest resonant frequency of this pipe
Find to what tension must this wire be stretched : A steel wire in a piano has a length of 0.7000 m and a mass of 4.100 x 10-3 kg. To what tension must this wire be stretched so that the fundamental vibration corresponds to middle C
At what frequency does a stationary listener hear the sound : An airplane traveling at half the speed of sound emits a sound of frequency 4.15 kHz. At what frequency does a stationary listener hear the sound as the plane approaches
What is the frequency heard by the engineer on train : Two trains on separate tracks move toward each other. Train 1 has a speed of 135 km/h; train 2 a speed of 81.0 km/h. What is the frequency heard by the engineer on train 1
Find the intensity level in decibels at that distance : An outside loudspeaker (considered a small source) emits sound waves with a power output of 90 W. Find the intensity level in decibels at that distance
Determine the intensity level of the infrasound : Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions
Reason for sallys absences-complications from a surgery : How would your answer change if the reason for Sally's absences are due to complications from a recent surgery - her reaction to the death of one of her parents, which triggered a relapse of Sally's anxiety and bipolar tendencies
What is the angle of refraction as the ray enters the air : A ray of light is incident on the mid-point of a glass prism surface at an angle of 25.0º with the normal. What is the angle of refraction as the ray enters the air on the far side of the prism
What is the wavelength of this sound in air : A test tone used on a radio has a frequency of 987 Hz. What is the wavelength of this sound in air at normal room temperature 20oC

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd