General Knowledge

Speed of Light:             c = 3 x 108 m/s  ┼ 1 ft/ns

Speed:                          1 m/s ┼ 2 mph ┼ 4 km/hr

Speed of Sound:            vsound ┼ 340 m/s

Electron Mass:             me ┼ 511 keV/c2

Atomic Mass Unit        1 amu ┼ mproton ┼ mneutron ┼ 932 MeV/c2

Your JanitorŇs name:    ?

World Population:       ┼ 7 billion people

US Population:             ┼ 300 million people

Visible Light:                400-700nm

Atomic Radius:             approx. 1 angstrom = 0.1nm

Nuclear Radius:             approx. 1 fm = 10-15 m

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