Author Question: The length of a telescope is 2.20 m and the focal length of the eyepiece is 1.9 cm. What is the ... (Read 122 times)

strangeaffliction

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The length of a telescope is 2.20 m and the focal length of the eyepiece is 1.9 cm. What is the focal length of the objective lens?
 
  A) 41 cm
  B) 45 cm
  C) 111 cm
  D) 218 cm
  E) 16 cm

Question 2

A circuit contains a 2.0-M resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery,
 
  the capacitor reaches 25 of its maximum charge in 1.5 s. What is its capacitance?


amynguyen1221

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Answer to Question 1

D

Answer to Question 2

2.6 F



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