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Author Question: A conducting sphere is charged up such that the potential on its surface is 100 V (relative to ... (Read 60 times)

ETearle

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on: Jul 29, 2018
A conducting sphere is charged up such that the potential on its surface is 100 V (relative to infinity).
 
  If the sphere's radius were twice as large, but the charge on the sphere were the same, what would be the potential on the surface relative to infinity?
  A) 50 V B) 25 V C) 200 V D) 100 V

Question 2

Find the orbital speed of an ice cube in the rings of Saturn.
 
  The mass of Saturn is 5.68  1026 kg and the rings have an average radius of 100,000 km. (G = 6.67  10-11 N  m2/kg2)
  A) 27.5 km/s B) 13.8 km/s C) 1.95 km/s D) 19.5 km/s


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6ana001

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

A

Answer to Question 2

D


ETearle

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

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Reply 3 on: Yesterday
Excellent

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