The sun radiates energy at the rate 3.8 10 26 W. The source of this energy
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The sun radiates energy at the rate 3.8 × 1026 W. The source of this energy is fusion, a nuclear reaction in which mass is transformed into energy. The mass of the sun is 2.0 × 1030 kg.
a. How much mass does the sun lose each year?
b. What percent is this of the sun’s total mass?
c. Estimate the lifetime of the sun.
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Related Book For
Physics For Scientists And Engineers A Strategic Approach With Modern Physics
ISBN: 9780321740908
3rd Edition
Authors: Randall D. Knight
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