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Author Question: The speed of light in a material is 0.50c. What is the critical angle of a light ray at the ... (Read 54 times)

ahriuashd

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on: Jul 29, 2018
The speed of light in a material is 0.50c. What is the critical angle of a light ray at the interface between the material and a vacuum?
 
  A) 30
  B) 21
  C) 24
  D) 27

Question 2

The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?
 
  A) m, s, s2
  B) m, m/s, m/s2
  C) m, s, s
  D) m/s, m/s2, m/s3
  E) m, m, m


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Brenm

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

A

Answer to Question 2

E


ahriuashd

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Reply 2 on: Jul 29, 2018
Gracias!

softEldritch

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Reply 3 on: Yesterday
Wow, this really help

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