Page 601 - SUBSEC October 2017_Neat

APPENDIX IV
 LIST OF PHYSICAL CONSTANTS

Universal gravitational constant G = 6.67 x 10−11 N m2 kg-2

Acceleration due to gravity g = 9.80 m s –2

Radius of the Earth RE = 6380 km

Mass of the Earth ME = 5.98 x 10 24 kg

Mass of the Moon Mm = 7.35 x 10 22 kg Atmosphere

5
Atmosphere Atm = 1.00 x 10 N m -2

-23
Boltzmann's constant k = 1.38 x 10 J K -1

9
2
Coulomb constant = 9.00 x 10 N m C -2

e
-31
Mass of the electron m = 9.11 x 10 kg

-19
Electron charge e = 1.60 x 10 C

3
-3
Density of water = 1.00 x 10 kg m

-7
Resistivity of steel = 1.98 x 10 Ωm

-8
Resistivity of copper = 1.80 x 10 Ωm

-1
Thermal conductivity of copper = 400 W m K -1

-1 -1
Specific heat capacity of aluminium = 910 J kg K

-1
Specific heat capacity of copper = 387 J kg K -1

-1
Specific heat capacity of water = 4200 J kg K -1

5
Specific latent heat of fusion of ice = 3.34 x 10 J kg -1

6
Specific latent heat of vaporisation of water = 2.26 x 10 J kg -1

23
Avogadro number N A = 6.02 x 10 per mole

-1
8
Speed of light in free space c = 3.00 x 10 m s

-1
-7
Permeability of free space µ0 = 4π x 10 H m

CXC A16/U2/17 101