kilogram wikipedia - EAS
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Xem tất cả trên Wikipediahttps://en.wikipedia.org/wiki/KilogramThe kilogram (also kilogramme ) is the base unit of mass in the International System of Units (SI), the metric system, having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo colloquially. It means 'one thousand grams'.
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Xem thêmThe kilogram is defined in terms of three fundamental physical constants: The speed of light c, a specific atomic transition frequency ΔνCs, and the Planck constant h.
According to the...
Xem thêmThe kilogram is the only base SI unit with an SI prefix (kilo) as part of its name. The word kilogramme or kilogram is derived from the French kilogramme, which itself was a learned coinage, prefixing the Greek stem of χίλιοι khilioi "a thousand" to gramma, a Late Latin term
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Xem thêmIt is primarily because of units for electromagnetism that the kilogram rather than the gram was eventually adopted as the base unit of mass in the SI. The relevant series of
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Xem thêmThe replacement of the International Prototype of the Kilogram as the primary standard was motivated by evidence accumulated over a long
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1. ^ The avoirdupois pound is part of both United States customary system of units and the Imperial system of units. It is defined as exactly 0.45359237
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi- https://simple.wikipedia.org/wiki/Kilogram
The kilogram is the base unit of mass in the International System of Units (SI). It is in widely used in science, engineering, and commerce worldwide. The kilogram is exactly the mass of one litre of water.. As of May 20, 2019, the definition of the kilogram is based on the Planck constant as 6.626 070 15 × 10 −34 kg⋅m 2 ⋅s −1.. There are attempts to define the kilogram in other ways ...
- Unit of: mass
- 1 kg in ...: ... is equal to ...
- Unit system: SI base unit
- Symbol: kg
- https://nl.wikipedia.org/wiki/Kilogram
De kilogram (ook het kilogram) is sinds 1901 de internationale standaardeenheid voor massa en daarmee een van de zeven basiseenheden van het SI.
Wikipedia · Nội dung trong CC-BY-SA giấy phép - https://pl.wikipedia.org/wiki/Kilogram
- Od 20 maja 2019obowiązuje następująca definicja kilograma: 1. Kilogram, oznaczenie kg, jest to jednostka masy w SI. Jest ona zdefiniowana poprzez przyjęcie ustalonej wartości liczbowej stałej Plancka h, wynoszącej 6,62607015⋅10−34, wyrażonej w jednostce J·s, która jest równa kg⋅m2⋅s−1, przy czym metr i sekunda zdefiniowane są za pomocą c i ∆νCs.
- https://sv.wikipedia.org/wiki/KilogramXem thêm trên sv.wikipedia.orgEfter revolutionen 1789 beslöt man i Frankrike att införa ett nytt måttsystem, grundat på naturkonstanter. Längdenheten meter definierades som 1/10 000 000 av avståndet från nordpolen till ekvatorn och massenheten kilogram som vikten av 1/1000 m³ vatten vid 4 °C. En cylinder av platina med denna massa tillverkades oc…
- Thời gian đọc ước tính: 5 phút
- https://ro.wikipedia.org/wiki/Kilogram
Kilogram (prescurtat kg) este unitatea de măsură pentru masă, în Sistemul Internațional de Unități de Măsură (SI). A nu se confunda cu kilogramul-forță din sistemul MKfS.. Kilogramul este singura unitate fundamentală formată cu ajutorul unui prefix. Astfel, deși conform prefixului kilo un kilogram este 1.000 grame, nu gramul este considerat unitatea fundamentală, ci kilogramul.
- https://cs.wikipedia.org/wiki/Kilogram
Kilogram (hovorově kilo) je základní jednotka hmotnosti, značka je kg.Odpovídá přibližně hmotnosti 1 litru vody.Podle soustavy SI je kilogram definován pomocí metru a sekundy zafixováním hodnoty Planckovy konstanty na přesné hodnotě 6,62607015⋅10 −34 kg⋅m 2 ⋅s −1.. Do 19. května 2019 byl kilogram definován jako hmotnost mezinárodního prototypu kilogramu ...
- https://en.wikipedia.org/wiki/Kilogram-force
The kilogram-force (kgf or kg F), or kilopond (kp, from Latin: pondus, lit. 'weight'), is a non-standard gravitational metric unit of force.It does not comply with the International System of Units (SI) and is deprecated for most uses. The kilogram-force is equal to the magnitude of the force exerted on one kilogram of mass in a 9.806 65 m/s 2 gravitational field (standard gravity, …
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