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
flagthe United Arab Emirates
0%
9%
90%
0%
11
flagCanada
7%
7%
85%
0%
14
flagthe United States
4%
4%
83%
3%
141
flagPakistan
8%
8%
83%
0%
12
flagthe United Kingdom
7%
7%
79%
4%
153
flagUnknown
12%
9%
76%
0%
55
flagFrance
13%
4%
73%
8%
23
flagIndia
8%
7%
72%
8%
79
flagItaly
18%
0%
81%
0%
11
flagRepublic of Ireland
10%
20%
70%
0%
10
flagPoland
10%
13%
69%
5%
4673
flagGermany
9%
7%
69%
12%
55
flagthe Philippines
20%
20%
30%
30%
10

Gender

men71%
women57%
thermodynamic free energy
10%
14%
specific heat capacity
10%
21%
speed of light
71%
57%
Coulomb, unit of the electric charge
7%
7%

Language versions

question
answers
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What is "c" in E=mc^2?
430
79%

Details

Author: Paweł Kołodziejczyk
Illustration: DonkeyHotey
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