How can I solve 15.11 C in my Mechanical Waves Homework?

AI Thread Summary
The discussion revolves around a request for help with a specific problem in Mechanical Waves homework, identified as 15.11 C. The original poster expresses confusion and seeks guidance on solving the problem, indicating that their instructor described the solution as complicated. Participants suggest that understanding the physics of wave speed is crucial, comparing it to calculating the speed of a car using distance and time. The conversation emphasizes the need for a clearer grasp of the underlying concepts rather than just a straightforward solution. The thread concludes with a note that it has been locked, directing the original poster to private message a moderator for further assistance.
Markzhongwen
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Hello everyone I couldn't figure it out a simple way to solve 15. 11 C . Please help ! Very appreciated!
IMG_1473379604.604801.jpg
 
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What have you tried?
 
Thank you so much for your attention ,Actually I do not have a clue how o do it . My instructor said the way to solve it is very complicated. So can you give me a hint or tell how to do that .Thank you again .
 
Suppose you are looking at a wave traveling past you. What does wave speed mean, in relation to what you are seeing?

Now how does the figure relate to the wave speed?
 
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Likes Simon Bridge
I don't think it is complicated so much as requires that you understand the physics somewhat.
ie. how would you normally be able to find out the speed of something - say, a car?
 
The distance / time = velocity . But I do not jab the time here .
 
Thread locked. @Simon Bridge -- please PM the OP and explain the PF Homework Help rules.
 

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