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Author Question: In a star, the balance between the inward force of gravity and the outward force of thermal and ... (Read 114 times)

madam-professor

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on: Jul 28, 2018
In a star, the balance between the inward force of gravity and the outward force of thermal and radiation pressure is called
 a. the neutrino bonding point.
  b. hydrostatic equilibrium.
  c. the plasma equality condition.
  d. strong nuclear binding.

Question 2

When an electron goes from the ground state to an excited state,
 a. energy is emitted.
  b. a photon is absorbed.
  c. a photon is emitted.
  d. none of these occur.


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memslove

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


madam-professor

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

nyrave

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Reply 3 on: Yesterday
Excellent

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