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5 godz. temu · The unit of momentum is the product of the units of mass and velocity. In SI units, if the mass is in kilograms and the velocity is in meters per second then the momentum is in kilogram meters per second (kg⋅m/s).
1 dzień temu · The spectral class of a star is a short code primarily summarizing the ionization state, giving an objective measure of the photosphere's temperature. ... the Si IV λ4089 and Si III λ4552 lines are indicative of early B. At mid-B, the intensity of the latter relative to that of Si II λλ4128-30 is the defining characteristic, while for late ...
5 godz. temu · With a mass of 1.02 M ☉, it is almost double the 0.5–0.6 M ☉ average. This mass is packed into a volume roughly equal to the Earth's. The current surface temperature is 25,200 K. Because there is no internal heat source, Sirius B will steadily cool as the remaining heat is radiated into space over the next two billion years or so.
5 godz. temu · ASCII (/ ˈ æ s k iː / ⓘ ASS-kee),: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices.Because of technical limitations of computer systems at the time it was invented, ASCII has just 128 code points, of which only 95 are ...
1 dzień temu · In a unit of time, say 1 second, the volume of air that had passed an area is . If the air density is , the mass of this volume of air is = , and the power transfer, or energy transfer per second is = = ... Measuring 3 m in diameter and 5 m high, it has a nameplate rating of 6.5 kW.
5 godz. temu · Hawaii (/ h ə ˈ w aɪ. i / ⓘ hə-WY-ee; Hawaiian: Hawaiʻi [həˈvɐjʔi, həˈwɐjʔi]) is an island state of the United States, in the Pacific Ocean about 2,000 miles (3,200 km) southwest of the U.S. mainland. It is the only state not on the North American mainland, the only state that is an archipelago, and the only state in the tropics.. Hawaii consists of 137 volcanic islands that ...
