Problem based on binary-star system
In a certain binary-star system, each star has the a mass of 1.20 x 1030 kg, and they revolve about their center of mass. The distance between them is 1.5 x 108 km. What is their period of revolution in Earth years?
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Find an expression for the value of capacitance C if the charging energy associated with the coulomb blockade for the capacitor is the same as Eo.
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