|Feb12-07, 11:51 AM||#1|
Superposition Of Transverse Waves.
When two waves travelling in opposite direction say in a thread, superpose the shape of the thread becomes flat. Where is the energy stored in the thread now. When a single is travelling, we say energy is stored as potential energy. But here there is no displacement of the thread in the vertical direction. So, there should be no energy stored. But they emerge out as two different full waves..... where did this energy it derived from again?
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|Feb12-07, 12:04 PM||#2|
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There is a very good and complete treatment of this issue in a AJP paper:
"What happens to energy and momentum when two oppositely-moving wave pulses overlap?", N. Gauthier, Am. J. Phys. v.71, p.787 (2003).
|Feb12-07, 12:10 PM||#3|
But the speed it has also travelling normally (I mean before superposing). So do you mean to say that the speed of the transverse vibration of the particles increases during superposition?
By the way, where can I read the AJP paper?
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