
#1
Apr1009, 03:30 AM

P: 34

A transverse wave on a rope is given by [tex]y(x, t)=
(0.750\; {\rm cm})\, \cos ( \, \pi [(0.400\;{\rm cm}^{  1})x+(250\; {\rm s}^{  1})t])[/tex] Find the period. This should be simple, but I keep getting the wrong answer in Mastering Physics. I can't find any explanation in my book, and it's really irritating me. 



#2
Apr1009, 06:37 AM

HW Helper
P: 4,442

Rewrite the equation in a standard form.
y(x,t) = Acos[2*pi(x/lambda + t/T)] Compare this with the given equation and find the period. 


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