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[Q] - Wave moving along a string

  1. Mar 23, 2009 #1
    1. The problem statement, all variables and given/known data

    y(x,t) = (6.0 mm) sin(kx + (600rads/s)t + phi)

    That is the description of a wave moving along a string.

    How much time does any given point on the string take to move between y = 2 mm and y = -2 mm?

    http://img14.imageshack.us/img14/9176/question1y.jpg [Broken]

    2. Relevant equations

    I don't know any I am sorry.

    But, I know :

    Angular Frequency = 600rads/s

    Amplitude = 6mm

    3. The attempt at a solution

    I don't know any formula with t(time) in it.

    If anyone could help that would be great

    Cheers
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Mar 23, 2009 #2
    You say, "I don't know any formula with t(time) in it."

    What about the given expression for y(x,t), doesn't that have a t in it?
     
  4. Mar 23, 2009 #3
    Yes, but can you show me some working, I don't get it >.<

    Thanks
     
  5. Mar 23, 2009 #4
    ".... show you some working." I don't get it as to what you mean.
     
  6. Mar 23, 2009 #5
    I don't understand the wave equation.

    Can you partially solve the problem so that I am able to follow you and see if I am able to solve the problem and understand what you have done.

    A little explanation along with your working, the partially solved problem, would be great.

    Cheers
     
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