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Author Question: A metal cylindrical sleeve has an inner radius A and an outer radius B. The metal has a positive ... (Read 189 times)

dejastew

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on: Jul 29, 2018
A metal cylindrical sleeve has an inner radius A and an outer radius B. The metal has a positive thermal expansion coefficient. When the sleeve's temperature increases
 
  A)
 
  the outer radius decreases and the inner radius increases.
  B)
 
  the inner radius decreases and the outer radius increases.
  C)
 
  both the inner and outer radii decrease.
  D)
 
  both the inner and outer radii increase.
  E)
 
  The sleeve's length decreases.

Question 2

A runner leaves the starting blocks and accelerates at 2.60 m/s2 for 4.00 s. What speed does the runner reach?
 
  A)
 
  32.0 m/s
 
  B)
 
  10.4 m/s
 
  C)
 
  23.3 m/s
 
  D)
 
  1.45 m/s
 
  E)
 
  4.65 m/s


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s.meritte

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

D

Answer to Question 2

B


dejastew

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Reply #2 on: Jul 29, 2018
Thanks


s.meritte

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Reply #3 on: Jul 29, 2018
Welcome :)


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