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A wave's amplitude is 0.5 meters. If its amplitude is increased to 1 meter, how much does its energy change

Angel , Monday, 16th of August 2010 07:07:49 AM

A wave's amplitude is 0.5 meters. If its amplitude is increased to 1 meter, 
Angel
how much does its energy change 
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girlygirl , Tuesday, 17th of August 2010 04:08:51 PM

energy is proportional to the square of the amplitude  
girlygirl
 
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so, square .5 then square 1 and determine the difference  
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