Asked by Reza

What is the speed of the wave represented by y(x, t) = A sin(kx − ωt),where k = 7.0 rad/cm and ω = 3.6 rad/s?
answer should be in cm/s



I tried to subtract 7-3.6= 3.4 which is wrong and I also divided 7/3.6=1.94 , but that is wrong too. I don't know how to do this. Please help. Thanks!

Answers

Answered by Steve
do a google on

wave speed sin(kx-wt)

and there is an excellent article at unsw . edu . au
Answered by Mark
Use the equation K=w/v and solve for v.
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