Physical Data

 

Acceleration due to earth's gravity

9.8 m/s2 = 32.32 ft/s2

Atmospheric pressure at sea level

1.013 x 105 Pa = 14.70 lb/in. 2

Density of air (0, 1 atm pressure)

1.29 kg/m3

Speed of sound in air ( 20 C)

343 m/s

Water

  

Density (4 C)

1.000 x 103 kg/m3

Latent heat of fusion

3.35 x 105 J/kg

Latent heat of vaporization

2.26 x 106 J/kg

Specific heat capacity

4286 J/(kg·C)

Earth

  

Mass

5.98 x 1024 kg

Radius (equatorial)

6.38 x 106 m

Mean distance from the sun

1.50 x 1011 m

Moon

  

Mass

7.36 x 1022 kg

Radius (mean)

1.74 x 106 m

Mean distance from earth

3.85 x 108 m

Sun

  

Mass

1.99 x 1030 kg

Radius (mean)

6.96 x 108 m

 

Material

Coefficient of Resistivity () °C-1

Resistivity (p)

Aluminum

3.9 x 10-3

2.82 x 10-8

Carbon

-0.5 x 10-3

3.5 x105

Copper

3.9 x 10-3

1.7 x 10-8

Germanium

-48 x 10-4

0.46

Gold

3.4 x 10-3

2.44 x 10-8

Iron

5.0 x 10-3

10.0 x 10-8

Lead

3.9 x 10-3

2.2 x 10-9

Platinum

3.92 x 10-3

11 x 10-8

Silicon

-75 x 10-3

640

Silver

3.8 x 10-3

1.59 x 10-8

Tungsten

4.5 x 10-3

5.6 x 10-8