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# Posts tagged wave

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3 posts
60%
+1 −0

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 4mo ago by MissMulan‭

28%
+0 −3

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 5mo ago by HolyDamn2.0‭  ·  last activity 4mo ago by Mithical‭

Question wave
40%
+0 −1

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 1y ago by deleted user  ·  last activity 1y ago by Olin Lathrop‭

Question decibel sound wave
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