7). Entropy time! Compare the total entropy increases in the following stars over their nomal lifetimes: Sirius A (L=9.7

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7 Entropy Time Compare The Total Entropy Increases In The Following Stars Over Their Nomal Lifetimes Sirius A L 9 7 1 (157.37 KiB) Viewed 51 times

7). Entropy time! Compare the total entropy increases in the following stars over their nomal lifetimes: Sirius A (L=9.78 X 1027 W, 1 = 440 million yr, T = 9940 K), Proxima Centauri (L = 6.55 X 10^ W. t = 100 billion yr, T = 3040 K), 40 Eridani A (L = 1.76 X 102 W, 1 = 20 billion yr, T = 5300 K) and Rigel A (L = 4.62 X 1031 W, 1 = 150 million yr, T= 12,100 K). L is the luminosity (power output) of the star, t is the star's lifetime and T is the temperature of the star. 3