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Author Question: A 5.5 meter long Aluminum wire has resistance of 0.40 m, = 2.82 10-8 m, = 4.29 10-3 C-1. Its ... (Read 63 times)

crobinson2013

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on: Jul 27, 2018
A 5.5 meter long Aluminum wire has resistance of 0.40 m,  = 2.82  10-8   m,  = 4.29  10-3 C-1. Its conductivity is
 
  A) 233.   m.
  B) 3.55  107 -1 m-1.
  C) 2.5  103 -1 .
  D) 2.5  103   m.
  E) 2.33  107 -1 m-1.

Question 2

The moment of inertia of a solid sphere about any diameter is 2/5 MR2. What is the moment of inertia about an axis that is tangent to the surface?
 
  What will be an ideal response?


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reelove4eva

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

B

Answer to Question 2

2/5 MR2 + MR2 = 7/5 MR2


crobinson2013

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Reply 2 on: Jul 27, 2018
Gracias!

Liddy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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