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doit_the_clown doit_the_clown
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7 years ago
The escape velocity of matter from the center of a black hole whose mass is greater than 3 solar masses is
A)   always exactly equal to the speed of light.
B)   quite small.
C)   greater than the speed of light.
D)   about half the speed of light.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
This helped my grade so much Perfect
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this is exactly what I needed
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