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seen Feb 12 '12 at 13:58

Feb
13
awarded  Student
Feb
12
awarded  Scholar
Feb
12
accepted Wave equation from hooke law - simple question
Feb
12
comment Wave equation from hooke law - simple question
I understood, thank you!
Feb
12
comment Wave equation from hooke law - simple question
I still have confusion.. why would they use u(x) to indicate the distance from the x point? Couldn't they just use x+something ? One-dimensional case is just a line, isn't it?
Feb
12
asked Wave equation from hooke law - simple question