ENGINEERING INFORMATION
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LENGTH |
ACCELERATION |
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1 m = 100 cm = 1000 mm = 106 mm = 109 nm |
1 m/s2 = 100 cm/s2 = 3.281 ft/s2 |
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1 km = 1000 m = .6214 mile |
1 cm/s2 = .01m/s2 = .03281 ft/s2 |
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1 m = 3.281 ft = 39.37 inches |
1 ft/s2 = .3048 m/s2 = 30.48 cm/s2 |
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1 cm = .3937 inches |
1 mile/hr = 1.467 ft/s2 |
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1 ft = 30.48 cm |
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1 in = 2.540 cm |
MASS |
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1 mi = 5280 ft = 1.609 km |
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1 kg = 103 g |
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AREA |
1 kg = 2.2 lb |
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1 lb = .4536 kg |
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1 cm2 = .155 in2 |
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1 m2 = 104 cm2 = 10.76 ft2 |
FORCE |
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1 in2 = 6.452 cm2 |
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1 ft2 = 144 in2 = .0929 m2 |
1 N = 105 dyn = .2247 lb |
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1 lb = 4.45 N = 4.45 x 105 dyn |
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VOLUME |
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PRESSURE |
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1 liter = 1000 cm3 = 10-3 m3 = .0351 ft3 = 61.02 in3 |
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1 ft3 = .02832 m3 = 28.32 liters = 7.477 gallons |
1 Pa = 1 N/m2 = 1.451 x 10-4 lb/in2 = .209 lb/ft2 |
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1 lb/in2 = 6891 Pa |
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TIME |
1 lb/ft2 = 47.85 Pa |
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1 atm = 1.013 x 105 Pa = 14.7 lb/in2 = 2117 lb/ft2 |
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1 min = 60 s |
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1 hr = 3600 s |
ENERGY |
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1 day = 86,400 s |
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1 year = 3.156 x 107 s |
1 Joule = 107 ergs = .239 cal |
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1 cal = 4.186 J |
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VELOCITY |
1 ft lb = 1.356 J |
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1 Btu = 1055 J = 252 cal |
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1 cm/s = .03281 ft/s |
1 eV = 1.602 x 10-19 J |
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1 ft/s = 30.48 cm/s |
1 kWh = 3.6 x 106 J |
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1 mile/min = 60 mile/hr = 88 ft/s |
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1 km/hr = .2778 m/s |
POWER |
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1 mile/hr = .4470 m/s |
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1 W = 1 J/s |
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1 hp = 746 W = 550 ft lb/s |
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1 Btu /hr = .293 W |