Physics, 26.08.2019 21:30 gamergladiator43
The two forces f1 and f2 acting at a have a resultant force of fr= -100lb. determine the magnitude and coordinate direction angles of f2
Answers: 1
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this
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When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve
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The two forces f1 and f2 acting at a have a resultant force of fr= -100lb. determine the magnitude a...
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