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Author Question: A solid steel column is 4.0 m long and 0.20 m in diameter. Young's modulus for this steel is 2.0 ... (Read 87 times)

londonang

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on: Jul 29, 2018
A solid steel column is 4.0 m long and 0.20 m in diameter. Young's modulus for this steel is 2.0  1011 N/m2. By what distance does the column shrink when a 5000-kg truck is supported by it?
 
  A) 3.2  10-6 m B) 8.0  10-7 m C) 3.1  10-5 m D) 7.8  10-6 m

Question 2

A sonic boom occurs only as an airplane just reaches the speed of sound in air, but not after it increases its speed further.
 
  A) True B) False


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jessofishing

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

C

Answer to Question 2

B


londonang

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Reply #2 on: Jul 29, 2018
Thanks


jessofishing

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


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