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Author Question: A metal cylinder of radius 2.0 mm is concentric with another metal cylinder of radius 5.0 mm. If the ... (Read 297 times)

ARLKQ

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on: Jul 29, 2018
A metal cylinder of radius 2.0 mm is concentric with another metal cylinder of radius 5.0 mm. If the space between the cylinders is filled with air and the length of the cylinders is 50 cm, the capacitance of the arrangement is
 
  A)
 
  33 pF.
  B)
 
  60 pF.
  C)
 
  22 pF.
  D)
 
  30 pF.
  E)
 
  11 pF.

Question 2

Two children are riding on a merry-go-round. Child A is at a greater distance from the axis of rotation than child B. Which child has the larger angular speed?
 
  A)
 
  Child A
  B)
 
  Child B
  C)
 
  They have the same zero angular speed.
  D)
 
  They have the same non-zero angular speed.
  E)
 
  There is not enough information given to answer the question.


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xiaomengxian

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

D

Answer to Question 2

D


ARLKQ

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Reply 2 on: Jul 29, 2018
:D TYSM

peter

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Reply 3 on: Yesterday
Wow, this really help

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