Physics, 09.10.2021 01:00 officialariana01
A ray of light passes through a length of curved optical fibre Draw a diagram showing the fibre and the path of the ray of light.
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Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
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Physics, 22.06.2019 17:50
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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A ray of light passes through a length of curved optical fibre
Draw a diagram showing the fibre an...
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