What is a helium flash?
What will be an ideal response?
A helium flash is a runaway condition caused by a core that collapses to a degenerate state before helium fusion can begin. As a result, the core cannot respond to the radiation produced by helium fusion and the fusion rate goes unchecked.
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Which force is the strongest within an atomic nucleus?
A) strong B) weak C) electromagnetic D) gravity E) They are all equal.
The type of nuclear reactor used in the United States was originally developed
A) during the Manhattan project. B) in Canada. C) as part of the H-bomb program. D) by private industry. E) for submarines.
A(n) ______ is a computer input device that reads printed text, images, or objects and translates the results into a digital file.
A. screen capture B. scanner C. digital reader D. e-book
A series circuit consists of a 2.5-?F capacitor, a 7.6-M? resistor, and an ideal 6.0-V dc power source
(a) What is the time constant for charging the capacitor? (b) What is the potential difference across the capacitor 25 s after charging begins?