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Author Question: If we find v = A , where is a length and v is a speed, what are the mks units for the A? A) s-1 ... (Read 17 times)

Zulu123

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on: Jul 27, 2018
If we find v = A , where  is a length and v is a speed, what are the mks units for the A?
 
  A) s-1
  B) m2/s
  C) m/ s2
  D) s
  E) kg-m/s

Question 2

For a spherical planet to act like a point mass, so that externally F=GmM/r2, it
 
  A) must have constant density throughout.
  B) must have a mass << r c2 / (2G).
  C) must have spherical mass symmetry.
  D) can not be hollow inside.


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tranoy

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

A

Answer to Question 2

C


Zulu123

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  • Posts: 525
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

essyface1

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Reply 3 on: Yesterday
:D TYSM

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