1
g
9.8 m/s2 or ~10 m/s2
Magnitude of gravitational acceleration near the surface of the Earth
2
ρwater
1000 kg/m3 = 1g/cm3
Density of water
3
e
1.6 x 10-19 C
Elementary electric charge
4
k0
9 x 109 N∙m2/C2
Coulomb's constant
5
l0
10-12 W/m2
Threshold of hearing
6
c
3 x 108 m/s
Speed of light in vacuum
7
Speed (v)
m/s
8
Density (ρ)
kg/m3
9
Work (W)
kg∙m2/s2
10
Standard atmospheric pressure
760 mmHg