What is "c" in E=mc^2?

thermodynamic free energy
specific heat capacity
speed of light
Coulomb, unit of the electric charge
In words, energy equals mass mul­ti­plied by the speed of light squared.

Answers distribution

thermodynamic free energy
specific heat capacity
speed of light
Coulomb, unit of the electric charge
answers
flagCanada
7%
7%
85%
0%
14
flagthe United States
4%
4%
83%
3%
115
flagPakistan
10%
10%
80%
0%
10
flagthe United Kingdom
8%
7%
78%
4%
109
flagUU
7%
14%
78%
0%
14
flagFrance
9%
9%
72%
9%
11
flagIndia
6%
8%
71%
11%
60
flagPoland
10%
13%
69%
5%
3677
flagGermany
9%
6%
69%
11%
43

Gender

men71%
women54%
thermodynamic free energy
10%
13%
specific heat capacity
9%
22%
speed of light
71%
55%
Coulomb, unit of the electric charge
8%
7%

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answers
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What is "c" in E=mc^2?
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Author: Paweł Kołodziejczyk
Illustration: DonkeyHotey
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