Physics, 21.11.2019 09:31, heroxtree

What is the velocity of speedboat that has 980 j of energy and weighs 120kg?

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Physics, 22.06.2019 16:40, sabrinarea041904

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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?