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A Star Like the Sun Has a Luminosity of 3 ×\times

Question 43

Multiple Choice

A star like the sun has a luminosity of 3.9 ×\times 1026 W.How much mass must be turned into energy each second to produce this power?


A) 1.3 ×\times 1018 kg
B) 4.3 ×\times 109 kg
C) 5.7 ×\times 105 kg
D) 5.9 ×\times 106 kg
E) 1.5 ×\times 1011 kg

Correct Answer:

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