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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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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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Physics, 23.06.2019 07:00
Calculate the linear momentum of a pickup truck that has a mass of 1000kg, and is traveling eastward at 20 m/s
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Un móvil posee un movimiento uniformemente acelerado, con una velocidad inicial de 20 m/s y acelerac...
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