Sound

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Robert A

 

Date added:

December 30, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 726

 

Was viewed:

4226 times

 

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Essay content:

Sound waves are not like the waves on the ocean or the waves you get by waving a stretched-out rope. Take a tuning fork (you do have a tuning fork, don't you?) and whack it on your knee. What do you hear? Unless you hold the tuning fork right next to your ear, you won't hear much of anything. This is because a small tuning fork can't push very much air around...
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This is because a small tuning fork can't push very much air around. Now take the same tuning fork, whack it on your knee again, and touch the non-forked end to a tabletop or other handy wooden surface. The sound should be a lot louder. This is because the vibrating tuning fork causes the tabletop to vibrate...
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