Purchase Solution

Child Screaming

Not what you're looking for?

Ask Custom Question

A mother hears a child scream from across the room, 23 feet away. The sound pressure level is 72dB. When she holds the child on her shoulder, her ear is 3 inches from the screams. Using the decibel chart, about how long until damage to her hearing occurs if the child continues screaming?

http://www.gcaudio.com/resources/howtos/loudness.html

Purchase this Solution

Solution Summary

The solution provides the calculation for sound intensity and an analysis for the damaging levels of sound.

Solution Preview

Sound Intensity is inversely proportional to the square of distance between the source and the ...

Purchase this Solution


Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Basic Physics

This quiz will test your knowledge about basic Physics.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.