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Author Question: An object is placed at F in front of a concave mirror with a focal length of 10 cm. What is the ... (Read 33 times)

ts19998

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on: Jul 29, 2018
An object is placed at F in front of a concave mirror with a focal length of 10 cm. What is the position of its image in relation to the mirror and what are its characteristics?
 
  A) = 10 cm, real, smaller than object
  B) = 10 cm, virtual, smaller than object
  C) = 20 cm, real, bigger than object
  D) = 20 cm, virtual, bigger than object
  E) = , real, much bigger than the object

Question 2

Consider a 1.40 kW hair dryer operated on 120. V. What is (a) the current? (b) its resistance?
 
  What will be an ideal response?


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Sammyo

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

E

Answer to Question 2

(a) 11.7 A
(b) 0.3


ts19998

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Reply 2 on: Jul 29, 2018
Excellent

cassie_ragen

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Reply 3 on: Yesterday
Wow, this really help

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