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What type of wave is described by this equation

  • Thread starter subopolois
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  • #1
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Homework Statement


x = (0.15 mm) cos (210x-120t)
what type of wave is described by this equation?

Longitudinal, transverse, angular frequency or both transverse and longitudinal

Homework Equations


NA

The Attempt at a Solution


Theres really no calculation. I thinking its longitudinal because it is given as "x=". if it were transverse im thinking it would be given as "y="
At the same time im not even sure if im right
 

Answers and Replies

  • #2
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Some BS equation you got there.
 
  • #3
haruspex
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Taking the equation literally, with x on both sides, I don't recognise it as any of the usual wave equations. E.g. For a longitudinal wave, the x on the right would be the mean position of an oscillating segment, while the x on its left would be its displacement at time t; i.e. they should be two different variables.
 

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