-A Comprehensive Physics Review
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 Resources For: [ More ] Choose A PhysicsClassroomReview: Projectile Motion Force and Motion Terminal Vel./ Air Resist. Circular, Sat., and Rot. Motion Circular and Planetary Motion Work, Energy, and Power Conservation of Momentum Waves Sound Waves and Music Find It Fast: Site Map
Conversions:
 LENGTH AND VOLUME 1 inch = 2.54 cm 1 foot = 30.48 cm 1 meter = 39.37 inches 1 mile = 1.6093440 kilometers 1 liter = 10000 cubic centimeters = .010 cubic meters PRESSURE 1 Pa = 1 N/m squared 1 atom = 101325 Pa 1 milimeter Hg = 133.3 Pa 1 lb/in.^ 2 = 6895 Pa TIME 1 year = 365 1/4 day = 3.1558 X 10^ 7 1 day = 87,400 seconds 1 hour = 3600 seconds ENERGY AND POWER 1 Joule = 0.239 calories 1 kWh = 3.60 X 10^ 6; J 1 eV = 1.602 X 10^ -19 J 1 u = 931.49432 MeV 1 hp = 746 Watts MASS 1 kilogram = 1000 grams 1 u = 1.6605402 X 10^ -27 kilograms 1 kilogram has a weight of 2.205 lb SPEED 1 m/s = 3.60 km/h = 2.24 mi/h 1 km/h = 0.621 mi/h FORCE 1 lb = 4.448 Newtons ANGLE 1 radian = 57.3� = 0.159 revolution 1 revolution = 2 pi (radian) = 360� COMMON PREFIXES 10^ 12 tera T 10^ 9 giga G 10^ 6 mega M 10^ 3 kilo k 10^ -2 centi c 10^ -3 milli m 10^ -6 micro � 10^ -9 nano n 10^ -12 pico p