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Author Question: Which of the following materials has the slowest speed of light? A) water B) oil C) air D) ... (Read 53 times)

ishan

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Which of the following materials has the slowest speed of light?
 
  A) water
  B) oil
  C) air
  D) flint glass
  E) diamond

Question 2

Suppose that an 80. kg person walking on crutches supports all his weight on the two crutch tips, each of which is circular with a diameter of 1.0 inch. What pressure is exerted on the floor? Express the answer in psi.
 
  A) 1.1  102 psi
  B) 14. psi
  C) 1.4  102 psi
  D) 56 psi
  E) 2.2  102 psi



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TheDev123

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Answer to Question 1

E

Answer to Question 2

A




TheDev123

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