Calculate ymax(x) of Two Harmonic Waves at x = 2.21m

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Homework Help Overview

The discussion revolves around calculating the amplitude ymax(x) of the resultant wave formed by the superposition of two harmonic waves described by the equations y1 = Asin(kx - wt) and y2 = Asin(kx + wt), specifically at the position x = 2.21 m. The problem is situated within the context of wave mechanics.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the need for initial thoughts or working steps to approach the problem. Some express uncertainty about where to begin, while others emphasize the importance of demonstrating engagement with the material.

Discussion Status

The conversation reflects a mix of uncertainty and attempts to clarify the problem. Some participants have provided guidance on the expectations for engagement, while one participant claims to have identified a relevant expression for amplitude.

Contextual Notes

There are mentions of challenges related to the teaching approach of the professor, including a lack of alignment between the course material and the homework assignments, which may contribute to the confusion among participants.

jh24628
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y1 = Asin (kx - wt)
y2 = Asin(kx + wt)

given A, k, w.

what is the amplitude ymax(x) of the resultant wave at x = 2.21 m

need help please.
 
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Can you show some of your working / thoughts?
 
i don't know where to start this, that's why I'm asking for help, i suck at physics and i have a prof that doesn't teach.
 
You don't have to solve it, or even start solving it.
Just explain some thoughts you have on it, or tell us what you know, or what you don't know, or what you feel needs clarification, or ...

Basically show that you've at least tried to read the relevant material in your textbook, and put a little thought into the problem.
 
thats the problem, my prof doesn't use the book, he skips around all the time and gives us homework from some website that doesn't go along with what he teaches in class or the book.
 
i figured it out, A = |2Asinkx|
 

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