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Author Question: Explain what causes high tides on Earth. What will be an ideal ... (Read 11 times)

P68T

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on: Jul 27, 2018
Explain what causes high tides on Earth.
 
  What will be an ideal response?

Question 2

What is the ultimate fate of an isolated pulsar?
 
  A) It will spin ever faster, becoming a millisecond pulsar.
  B) As gravity overwhelms the neutron degeneracy pressure, it will explode as a supernova.
  C) As gravity overwhelms the neutron degeneracy pressure, it will become a white dwarf.
  D) It will slow down, the magnetic field will weaken, and it will become invisible.
  E) The neutron degeneracy pressure will eventually overwhelm gravity and the pulsar will slowly evaporate.


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ebenov

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Reply #1 on: Jul 27, 2018
Answer to Question 1

The Moon is closest to the side facing it, so the pull is strongest there. The oceans on that side bulge towards the Moon. The Moon is a little further from the basically solid Earth, so it pulls more on that than on the oceans on the far side. The oceans on the far side are left behind, creating a second bulge there.

Answer to Question 2

D


P68T

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

EAN94

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Reply 3 on: Yesterday
Excellent

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