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Imagine a black disk shaped satellite in outer space is at an original tempof 0 Celsius, mass of 250 kg, radius of 20 meters and spinningat an...
Imagine a black disk shaped satellite in outer space is at an original tempof 0 Celsius, mass of 250 kg, radius of 20 meters and spinningat an initial rate of 2 rads/sec. How long will it take this satellite to reach a temperature 1 degree above the temperature of the Cosmic Microwave Background which is 2.7 Kelvin?What is the final radius of the disk after it has cooled down? What is the final spin rate? How much has the kinetic energy of the disk changed by? How much net heat was radiated to outerspaceduring this time? Cmetal= 500 J/kg, alpha= 11 x 10^-6
