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Author Question: A person approaches a plane mirror at a speed of 2 m/s. How fast does he approach his image? A) 1 ... (Read 90 times)

biggirl4568

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on: Jul 27, 2018
A person approaches a plane mirror at a speed of 2 m/s. How fast does he approach his image?
 
  A) 1 m/s
  B) 2 m/s
  C) 3 m/s
  D) 4 m/s
  E) 1 m/s

Question 2

The critical angle for glass in air if the glass has index of refraction 1.50 is
 
  A) 41.8.
  B) 85.9.
  C) 56.3.
  D) 90.
  E) 48.1.


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SAUXC

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

D

Answer to Question 2

A


biggirl4568

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Gracias!

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