Western Washington University   College of Sciences and Technology   Physics/Astronomy Dept.   Bellingham, WA USA
How Big is Big?
The property of a body defined by its mass multiplied by its velocity.
Mass   Velocity   Acceleration   Momentum   Radius   Density
electron (neutral hydrogen) 1.99 x 10-24 kgm/s

dog (greyhound) 401 kgm/s
cheetah 1722 kgm/s
human (olympic sprinter) 870 kgm/s
race horse 7645 kgm/s
elephant (African male) 4.0 x 104 kgm/s
tyranosaurus rex 3.8 x 104 kgm/s

baseball (fast ball) 6.35 kgm/s
tennis ball (pro serve) 3.56 kgm/s
basketball (free throw) 4.78 kgm/s

motorcycle (650, freeway) 6.4 x 103 kgm/s
small car (freeway) 3.0 x 104 kgm/s
M1A1 Tank 1.15 x 106 kgm/s
Space Shuttle (empty) 5.7 x 108 kgm/s
Space Shuttle (with cargo) 7.5 x 108 kgm/s
freight train (100 cars) 3.56 x 108 kgm/s
aircraft carrier (JFK class) 1.1 x 109 kgm/s

Mercury (relative to Sun) 1.58 x 1028 kgm/s
Earth 1.78 x 1029 kgm/s
Jupiter 2.48 x 1031 kgm/s
Pluto 6.45 x 1025 kgm/s

Sun (relative to core) 4.37 x 1035 kgm/s
Pleiades (open cluster) 4.00 x 1037 kgm/s
M13 (globular cluster) 2.19 x 1041 kgm/s