SI izvedena jedinica

SI izvedena jedinica

One of many SI units of measure expressed as relationships of the SI base units. For example, the watt, W, is the SI derived unit of power. It is equal to joules per second. W = m2 ⋅ kg ⋅ s–3 (Note: the joule, J, is the SI derived unit for energy, work, or quantity of heat.) See also Units of Measure.

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Industry/Domain: Aerospace
Category: Space flight
Company: NASA
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jedinica

Chemistry; General chemistry

A standard for comparison in measurements. For example, the meter is a standard length which may be compared to any object to describe its length.

izvedena jedinica

Chemistry; General chemistry

Derived units are units constructed from the SI system's base units . For example, the SI unit for density is kg/m3, derived from the base units kg and m.

neidentifikovani leteći objekat (NLO)

Aerospace; Space flight

UFOs are unidentified aircraft which are attributed to alien space flight. One supposed UFO halted air traffic at Hangzhou Airport, China, on July 7. The appearance is being ...

svemirski šatl

Aerospace; Space flight

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first test flight took place in ...

zenit

Aerospace; Space flight

The point on the celestial sphere directly above the observer. Opposite the nadir.

x-zrak

Aerospace; Space flight

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

x-dijapazon

Aerospace; Space flight

A range of microwave radio frequencies in the neighborhood of 8 to 12 ghz.

težina

Aerospace; Space flight

The gravitational force exerted on an object of a certain mass. The weight of mass m is mg Newtons, where g is the local acceleration due to a body's gravity.