masa

masa

A fundamental property of an object comprising a numerical measure of its inertia; the amount of matter in the object. While an object's mass is constant (ignoring Relativity for this purpose), its weight will vary depending on its location. Mass can only be measured in conjunction with force and acceleration.

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Loại từ: noun
Từ đồng nghĩa:
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Ngành nghề/Lĩnh vực: Aerospace
Category: Space flight
Company: NASA
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molarna masa

Chemistry; General chemistry

The mass of one mole of a material. For example, the molar mass of H2O is 18.015 g (obtained by adding twice the molar mass of hydrogen to the molar mass of oxygen).

molekularna masa

Chemistry; General chemistry

The combined mass (as given on the periodic table) of all the elements in a compound.

neidentifikovani leteći objekat (NLO)

Aerospace; Space flight

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svemirski šatl

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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.

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