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Author Question: Which of the following materials has the largest conductivity (at 20C)? A) copper B) platinum ... (Read 64 times)

nramada

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  • Posts: 580
on: Jul 27, 2018
Which of the following materials has the largest conductivity (at 20C)?
 
  A) copper
  B) platinum
  C) silver
  D) iron
  E) glass

Question 2

Wall posters are usually sold curled up in cylindrical cardboard tubes. If the length of the tube is 84.5 cm, and the diameter of the tube is 2.40 cm, what is the area of the poster, in cm2? (Assume the poster doesn't overlap itself.)
 
  A) 1529 cm2
  B) 203 cm2
  C) 637 cm2
  D) 382 cm2
  E) 605 cm2


bigcheese9

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

C

Answer to Question 2

C


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