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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
When the Big Bang began, all of the fundamental forces were unified and behaved like a single force. As the universe expanded and cooled during the Big Bang, when did gravity first become a separate force?
A)   At the start of quark confinement, when the universe was about 10–6 sec old
B)   At the start of the inflationary period, when the universe was about 10–35 sec old
C)   At the end of the inflationary period, when the universe was about 10–33 sec old
D)   At the Planck time, when the universe was about 10–43 sec old
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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symbo Author
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7 years ago
Smart ... Thanks!
africa143
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Yesterday
Good timing, thanks!
alpheratz
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2 hours ago
Thanks
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