Average protons would cross the fusion barrier at about what temperature?
AAbout 3 x 10^9 K
BAbout 6 x 10^3 K
CAbout 1.5 x 10^7 K
DAbout 10^5 K
Answer & Solution
Correct answer: A. About 3 x 10^9 K
Setting (3/2)kT equal to 400 keV gives a temperature of about 3 x 10^9 K.
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