Calculate the intensity delivered to the eardrum

Assignment Help Physics
Reference no: EM13544045

A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 27.6 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 3.30 10-11 W/m2. What is the intensity delivered to the eardrum?

Reference no: EM13544045

Questions Cloud

What is the acceleration due to gravity at jupiters surface : Jupiter has a radius of 71,492km and a mass of 1.9x10^27kg. What is the acceleration due to gravity at Jupiter's surface
Explain what is the temperature of he : A 12.2-g sample of Helium gas has a pressure of 18.1 atm in a 7.82-L sealed container. What is the temperature of He(g)(R=08206 L atm K^-1 mol^-1)
How far apart are the masses of the dumbbell : A 1.0-kg mass is attached to a string wrapped around a shaft of negligible mass and having a 8.0-cm radius. A dumbbell-shaped "flywheel" made from two 0.500-kg masses is attached to one end of the shaft and perpendicular to its axis. The mass is rele..
Solve a linear programming model for julia : Julia's cost for the soft drinks are 55 cents, and she sells them for two dollars. She can expect to sell just as many soft drinks as all food items combined.
Calculate the intensity delivered to the eardrum : A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 27.6 dB. What is the intensity delivered to the eardrum
The deuterium nucleus starts out with a kinetic energy : The deuterium nucleus starts out with a kinetic energy of 1.71e-13 joules, and the proton starts out with a kinetic energy of 3.42e-13 joules. The radius of a proton is 0.9e-15 m; assume that if the particles touch, the distance between their centers..
What is the childs maximum speed : A child is on a swing whose 4.0 m long chains make a maximum angle of 49 degrees with the vertical. What is the child's maximum speed
Find the magnitude of the force at the support point : A diving board of length 3.00 is supported at a point 1.00 from the end, and a diver weighing 530 stands at the free end (Figure 1) . The diving board is of uniform cross section and weighs 300. Find the magnitude of the force at the support point.
Find how long should you make the lane : As a highway engineer, you're asked to design a runaway truck lane on a mountain road. How long should you make the lane

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