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# Posts tagged wave

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5 posts
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Gravitational waves can be derived from the non-linear Einstein field equations and since they are by definition waves they must obey the wave equation: $u_{tt}=c^{2}u_{xx}$ but in General Rela...

1 answer  ·  posted 11mo ago by Volpina‭  ·  last activity 11mo ago by Mithrandir24601‭

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I'm trying to understand the uncertainty principle and its implications for particle measurement. From what I've read, it seems that the principle states that we cannot simultaneously know the exac...

0 answers  ·  posted 1y ago by Reinstate Monica on Stack Exchange‭

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The general formula for a EM wave (solving for the E field) is: where $\varepsilon = \varepsilon _{r}+j\frac{\sigma }{\omega }$ My professor told me that the conductivity of vacuum is 0 so we...

0 answers  ·  posted 1y ago by MissMulan‭

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Part 1 Say we have a round water pool, the radius is 10m, and the water depth is 2m. C is a fixed point: Fixed on the surface of water. Fixed at the center of the pool. F1 is stable forc...

2 answers  ·  posted 1y ago by HolyDamn2.0‭  ·  last activity 1y ago by Mithical‭

Question wave
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Decibel level listed of solfege. Do Re Mi Fa So La Ti Do 24 27 30 32 36 40 45 80 I saw that whispering decibel level is around 40. And, normal voice level is ...

1 answer  ·  posted 3y ago by deleted user  ·  last activity 3y ago by Olin Lathrop‭

Question decibel sound wave