System ae International
femto metre -A SI Unit of length 1fm=10^-15m
"Say Si Si"
A watt is simply the SI unit for power, and the horsepower is the Imperial unit for power. Power is simply the rate of doing work, so there is no such thing as 'electrical' or any other, 'sort' of power. In Europe, a car's engine output power ('brake power') is expressed in kilowatts as the horsepower is considered obsolete.
Aké si bola dieťa? Bola si dobrá žiačka? Zmenila ťa popularita? Tvoje záluby? Mas viac surodencov? V šoubiznise si si našla viac priatelou?
the coulomb
S2cmS2m
The SI unit of quantity is the mole, denoted by the symbol "mol". It is used to measure the amount of substance present in a system.
The SI unit of x-rays is the becquerel (Bq), which measures the activity of radioactive sources.
The physical quantity with the SI unit JC^-1 is the electric permittivity. It is a scalar quantity because it describes the ability of a material to store and transmit electrical energy.
The physical quantity is simply called area. The official unit (in SI) is the square meter.
The SI unit of electric charge is the Coulomb.
The volume is measured in SI with litre (L) or millilitre (mL).
There are different units for different quantities.
The SI unit for speed and velocity is meters per second (m/s). Speed is a scalar quantity that represents how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.
Kilograms are the SI unit for mass. Mass is the amount of matter an object has.
A bequerel is the derived SI unit of radioactive activity, named after French physicist Henri Becquerel.