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Physics, 22.06.2019 03:00
Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?
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Physics, 22.06.2019 09:40
(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Mathematics, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
History, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
Chemistry, 23.08.2019 20:00
Mathematics, 23.08.2019 20:00
Biology, 23.08.2019 20:00
History, 23.08.2019 20:00
History, 23.08.2019 20:00