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NAME
SYMBOL
VALUE
Free Neutron, Half-life of
T
650 s
Gas Constant
R
8.314 J K
-1
mol
-1
Glass, Thermal Conductivity of
k
g
1.0 W m
-1
K
-1
Half-life of Carbon-14
T
5570 years
Half-life of Free Neutron
T
650 s
Hydrogen Rydberg Number
R
H
1.0967758 × 10
7
m
-1
Light, Speed of (in a Vacuum)
c
299792458 m s
-1
Linear Expansivity of Copper
α
1.7 × 10
-5
K
-1
Linear Expansivity of Steel
α
1.2 × 10
-5
K
-1
Million Electronvolts
MeV
1.6 × 10
-13
J
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