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Author Question: As you walk away from a plane mirror on a wall, the height of your image A) is always the same ... (Read 115 times)

Awilson837

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As you walk away from a plane mirror on a wall, the height of your image
 
  A) is always the same size.
  B) is always a real image, no matter how far you are from the mirror.
  C) gets smaller.
  D) changes from being a virtual image to a real image as you pass the focal point.
  E) may or may not get smaller, depending on where the observer is positioned.

Question 2

An electron is accelerated from rest through a potential difference of 50.0 kV. What is the speed of the electron? (c = 3.00  108 m/s, e = 1.60  10-19 C, mel = 9.11  10-31 kg)
 
  A) 1.24  108 m/s
  B) 1.33  108 m/s
  C) 3.24  108 m/s
  D) 3.33  108 m/s
  E) 4.12  108 m/s


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Chou

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