Coefficients of Friction - Elastic Properties - Densities - Speed of Sound - Planetary Data - Constants
|
Material 1 |
Material 2 |
Conditions |
μ |
|
Glass |
Glass |
Clean |
0.9 - 1.0 |
|
Wood |
Wood |
Clean & dry |
0.25 - 0.5 |
|
Wood |
Wood |
Wet |
0.2 |
|
Steel |
Steel |
Clean |
0.58 |
|
Steel |
Steel |
Oiled |
0.2 |
|
Rubber |
Solids |
Dry |
1-4 |
|
Teflon |
Steel |
Clean |
0.04 |
|
Waxed Hickory |
Dry Snow |
|
0.03 - 0.06 |
|
Brass |
Ice |
|
0.02 - 0.08 |
|
Liquids |
Solids |
Gasses |
|||
|
Water at 4 C |
1.0000 |
Aluminum |
2.7 |
Air |
0.001293 |
|
Water at 20 C |
0.998 |
Copper |
8.3-9.0 |
Carbon dioxide |
.001977 |
|
Gasoline |
0.70 |
Gold |
19.3 |
Carbon monoxide |
0.00125 |
|
Mercury |
13.6 |
Iron |
7.8 |
Hydrogen |
0.00009 |
|
Milk |
1.03 |
Platinum |
21.4 |
Helium |
0.000178 |
|
|
|
Uranium |
18.7 |
|
|
|
|
|
Ice at 0 C |
0.92 |
|
|
|
Material |
Density |
Young's Modulus |
Ultimate
Strength Su |
Yield Strength Sy |
|
Steel |
7860 |
200 |
400 |
250 |
|
Aluminum |
2710 |
70 |
110 |
95 |
|
Glass |
2190 |
65 |
50 (compress) |
... |
|
Concrete |
2320 |
30 |
40 (compress) |
... |
|
Wood |
525 |
13 |
50 (compress) |
... |
|
Bone |
1900 |
9 |
170 (compress) |
... |
|
Polystyrene |
1050 |
3 |
48 |
... |
Speed of Sound in Various Bulk Media |
|||||
|
Gases |
|
Liquids at 25°C |
|
Solids |
|
|
Material |
v (m/s) |
Material |
v (m/s) |
Material |
v (m/s) |
|
Hydrogen (0°C) |
1286 |
Glycerol |
1904 |
Diamond |
12000 |
|
Helium (0°C) |
972 |
Sea water |
1533 |
Pyrex glass |
5640 |
|
Air (20°C) |
343 |
Water |
1493 |
Iron |
5130 |
|
Air (0°C) |
331 |
Mercury |
1450 |
Aluminum |
5100 |
|
|
|
Kerosene |
1324 |
Brass |
4700 |
|
|
|
Methyl alcohol |
1143 |
Copper |
3560 |
|
|
|
Carbon tetrachloride |
926 |
Gold |
3240 |
|
|
|
|
|
Lucite |
2680 |
|
|
|
|
|
Lead |
1322 |
|
|
|
|
|
Rubber |
1600 |
|
Object |
Radius |
Mass |
Distance to Sun |
Orbital Period |
Gravity |
|
Sun |
6.96 E8 m |
1.99 E30 kg |
- |
- |
|
|
Mercury |
2450 km |
3.28 E23 kg |
0.387 AU |
0.241 Years |
.38g |
|
Venus |
6050 km |
4.90 E24 kg |
0.723 AU |
0.615 Years |
.90g |
|
Earth |
6380 km |
5.98 E24 kg |
1 AU |
1 Year |
g |
|
Moon (to Earth) |
1740 km |
7.35 E22 kg |
3.84 E8 m (Earth) |
29 days |
.167g |
|
Mars |
3400 km |
6.58 E23 kg |
1.524 AU |
1.881 Years |
.38g |
|
Jupiter |
71500 km |
1.90 E25 kg |
5.203 AU |
11.862 Years |
2.6g |
|
Saturn |
60000 km |
5.68 E26 kg |
9.516 AU |
29.458 Years |
1.2g |
|
Uranus |
25500 km |
8.97 E25 kg |
19.166 AU |
84.013 Years |
1.1g |
|
Neptune |
25000 km |
1.02 E26 kg |
30.012 AU |
164.793 Years |
1.2g |
|
Pluto |
1200 km |
1.79 E23 kg |
39.557 AU |
248.530 Years |
.43g |