I Could vibration carry electricity or something else?

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Vibrations, defined as sound waves, can carry mechanical energy and can be converted into electrical energy. This conversion is exemplified in piezoelectric materials, which generate electricity when subjected to mechanical stress. The discussion raises the question of whether vibrations could transport electricity or have chemical implications. The movement of vibrations ceases when they dissipate or reach a boundary. Understanding these principles can lead to innovative applications in energy transfer and conversion.
uncleoscy
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A vibration moves along until it has moved too far or there is no other objects to travel to, so does that mean it could carry electricity or something chemistry related?
 
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A vibration is a sound wave. It can carry the mechanical energy of movement.
Mechanical vibration energy can be converted to and from electrical energy.
 
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uncleoscy said:
A vibration moves along until it has moved too far or there is no other objects to travel to, so does that mean it could carry electricity or something chemistry related?
See: https://en.wikipedia.org/wiki/Piezoelectricity

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Thread 'The rocket equation, one more time'

Thread 'The rocket equation, one more time'

I already posted a similar thread a while ago, but this time I want to focus exclusively on one single point that is still not clear to me. I just came across this problem again in Modern Classical Mechanics by Helliwell and Sahakian. Their setup is exactly identical to the one that Taylor uses in Classical Mechanics: a rocket has mass m and velocity v at time t. At time ##t+\Delta t## it has (according to the textbooks) velocity ##v + \Delta v## and mass ##m+\Delta m##. Why not ##m -...
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