Thermal energy, the Sun, and diffusion: Putting it all together
Sun’s life expectancy (a) Estimate the average kinetic energy of the particles in the Sun. Assume that it is made of atomic hydrogen and that its average temperature is 100,000 K. The mass of the Sun is 2 X 1030 kg. (b) For how long would the Sun shine using this energy if it radiates 4 X 1026 W/s? Is your answer reasonable? Explain.
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