questionedithistorytranslations

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.
Paweł Kołodziejczyk
0
Correct this question
wikipedia → Mass–energy equivalence
0
Very interesting!
reach: rather globaldiscovererslightphysics
Light quizDiscoverers quizPhysics quiz
  You will play as

Answers by country

thermodynamic free energy
specific heat capacity
speed of light
Coulomb, unit of the electric charge
answers
flagthe Netherlands
0%
0%
100%
0%
23
flagFrance
6%
0%
93%
0%
15
flagRepublic of Ireland
7%
0%
92%
0%
13
flagSingapore
0%
8%
91%
0%
12
flagGreece
3%
3%
84%
7%
26
flagSouth Africa
20%
0%
80%
0%
10
flagAustralia
7%
7%
77%
2%
40
flagSwitzerland
8%
5%
77%
2%
35
flagMalaysia
5%
5%
77%
11%
18
flagthe United States
8%
7%
76%
5%
236
flagCanada
10%
13%
76%
0%
30
flagthe United Kingdom
14%
4%
74%
6%
126
flagIndia
8%
9%
72%
7%
351
flagGermany
12%
6%
71%
7%
416
flagSpain
7%
0%
71%
7%
14
flagAustria
16%
2%
70%
6%
74
flagPoland
10%
13%
68%
6%
9342
flagPakistan
23%
3%
63%
6%
30
flagthe Philippines
13%
10%
51%
24%
29
flagNigeria
21%
0%
50%
28%
14

Who should you expect to show stronger red-eye effect?

blue-eyed people
brown-eyed people
elders
there is no difference

What kind of building is that?

superlighthouse
solar power plant
tent-type greenhouse
a fountain in Dubai

What are the most luminous objects in the universe?

supergiant stars
novae
supernovae
quasars

In which country is the Plitvice Lakes National Park located?

In the Czech Republic
In Slovakia
In Croatia
In Hungary