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Physics, 22.06.2019 17:50, manou76
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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Physics, 23.06.2019 01:30, martinezkimberly706
Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
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Physics, 23.06.2019 05:00, kristofwr3444
Acid rain is caused by human activity. select the best answer from the choices provided t f
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You are walking toward the back of a train that is moving forward with a constant velocity. The trai...
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