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Constants > Physics

Showing results 281 to 290 of 294, on page 29 of 30
Astronomical
Electricity
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Universal
NAME SYMBOL VALUE
Thomson Cross Section σe 0.665245854(15) × 10-28 m2
Time, Planck lP/c = (ħG/c5)1/2 tP 5.3906(40) × 10-44 s
Ton, UK, per 1000yd 1.111 kg m-1
Ton, UK, per Mile 0.6313 kg m-1
UK Electrical Power Specification 230V ac, 50Hz 
UK Ton per 1000yd 1.111 kg m-1
UK Ton per Mile 0.6313 kg m-1
US Electrical Power Specification 115V ac, 60Hz 
Volume, Molar (Ideal Gas) (T=273.15 K, p=101.325 kPa) Vm 22.413996(39) × 10-3 m3 mol-1
von Klitzing Constant h/e2 = µ0c/2α RK 25812.807572(95) Ω
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