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4 votes
1 answer
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Who wrote the equation $c=\lambda\nu$ for the first time?

I could not find who wrote the equation $c=\lambda\nu$ for the first time. Neither I found a name for this equation. A user from Physics forum thinks it is too obvious for anyone familiar with ...
Pierpaolo Testavuota's user avatar
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50 views

Need a reference for Euler's velocity initial condition for the wave equation

In DOI: 10.4236/ahs.2020.94019 235 Advances in Historical Studies, p.234 D’Alembert and the Wave Equation: Its Disputes and Controversies, or https://www.scirp.org/pdf/ahs_2020112716312281.pdf p.6 of ...
user45664's user avatar
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