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.
correct this question
Paweł Kołodziejczyk
reach: rather globaldiscovererslightphysics
thermodynamic free energy
specific heat capacity
speed of light
Coulomb, unit of the electric charge
answers
flagSlovakia
0%
4%
95%
0%
22
flagthe United Arab Emirates
0%
5%
94%
0%
18
flagSweden
0%
0%
92%
0%
14
flagCanada
5%
11%
83%
0%
18
flagthe United States
4%
4%
82%
4%
187
flagItaly
14%
0%
85%
0%
21
flagthe United Kingdom
7%
8%
78%
4%
246
flagIndia
6%
9%
75%
6%
173
flagRepublic of Ireland
6%
12%
75%
6%
16
flagthe Netherlands
12%
6%
75%
6%
16
flagAustralia
0%
13%
73%
6%
15
flagFrance
16%
4%
72%
8%
25
flagPoland
9%
12%
70%
5%
8197
flagPakistan
23%
5%
70%
0%
17
flagSwitzerland
15%
7%
69%
0%
13
flagAustria
7%
15%
69%
7%
13
flagUnknown
10%
13%
68%
6%
577
flagGermany
12%
7%
67%
10%
80
flagNorway
30%
7%
46%
15%
13
flagthe Philippines
15%
15%
45%
25%
20