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Author Question: Applying E = hf to photon emission from an atom, the symbol E represents the energy A) of the ... (Read 11 times)

yoooooman

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on: Jul 29, 2018
Applying E = hf to photon emission from an atom, the symbol E represents the energy
 
  A) of the emitted photon.
  B) difference between atomic energy levels producing the photon.
  C) both of these
  D) neither of these

Question 2

Why are planets and stars approximately spherical, whereas asteroids and meteorites are shaped like ordinary rocks?
 
  What will be an ideal response?


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yahahah24021

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

In large bodies, the gravitational forces are much larger than the elastic forces, so the body takes on a spherical shape (except for a slight oblateness due to rotation,) whereas in small bodies the elastic forces are much larger, so the bodies retain their shape.


yoooooman

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Reply 2 on: Jul 29, 2018
Excellent

shewald78

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Reply 3 on: Yesterday
:D TYSM

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