I understand that energy depends on mass but why multiply it by C² and not some other constant ?(adsbygoogle = window.adsbygoogle || []).push({});

Several subquestions pops up from the previous one : how Einstein ended up with this equation ? Why a fundamental limit of nature as C should be squared (what does a squared limit mean) ? Is it related to some deep truth about the nature of matter and energy ? Is it a "model dependent" mathematical trick ? What is a constant of nature ?

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# E=MC² : how does it work ?

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