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OpenStudy (anonymous):
PLS HELP WILL FAN AND MEDAL!! what is the main difference between mechanical and electromagnetic waves. A:Mechanical waves Involve transfer of energy electromagnetic waves do not. B:Mechanical waves Require a medium to travel in electromagnetic waves do not. C:Mechanical waves Have Amplitude and wave length electromagnetic waves do not. D:Mechanical waves Have speed and Frequency electromagnetic waves do not.
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OpenStudy (minecraftqueen):
http://www.pstcc.edu/departments/natural_behavioral_sciences/Web%20Physics/Chapter016.htm
OpenStudy (sbuck98):
Go to quizlet.com, they have all those tests.
OpenStudy (anonymous):
ok thanks
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