awesome267
27.05.2021 •
Physics
Given that the Sun has a mass of 1.989 x 1030 kg and that each proton-proton chain reaction (the fusion reaction that turns 6 hydrogens into 1 helium and 2 hydrogens) releases 26.73 MeV, how long would the Sun take to use up all of its hydrogen supply
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Ответ:
A reflection across the X-axis
a 90° counterclockwise rotation about point D.
Step-by-step explanation:
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