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= 0.115 628 198 985 075 m 3: ... The angle subtended at the center of a circle by an arc whose length is equal to the circle's radius. ... = 50.802 345 44 kg ...
4.2 × 10 −40 kg Mass equivalent of the energy of a photon at the peak of the spectrum of the cosmic microwave background radiation (0.235 meV/c 2) [3] 10 −36: 1.8 × 10 −36 kg 1 eV/c 2, the mass equivalent of one electronvolt [4] 3.6 × 10 −36 kg Electron neutrino, upper limit on mass (2 eV/c 2) [5] 10 −33 quectogram (qg) 10 −31: 9 ...
The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10 −34 when expressed in the unit J⋅s, which is equal to kg⋅m 2 ⋅s −1, where the metre and the second are defined in terms of c and Δν Cs. —
Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.
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In Spain, the quintal is still defined as 100 libras, or about 46 kg (101 lb), but the metric quintal is also defined as 100 kg; [3] In Portugal a quintal is 128 arráteis or about 58.75 kg (130 lb). The German Zentner and the Danish centner are pound-based, and thus since metrication are defined as 50 kg (110 lb), whereas the Austrian and ...
Skiing legend Lindsey Vonn has announced she's rejoining the U.S. ski team, potentially setting th stage for her to come out of retirement.
TOKYO (Reuters) -Yuichiro Tamaki, the head of the Japanese opposition party that has emerged as kingmaker as lawmakers select the next prime minister on Monday, said a tabloid report about his ...