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Author Question: The magnification for a flat mirror: a. is a function of the image distance. b. is a function of ... (Read 20 times)

Ebrown

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on: Jul 28, 2018
The magnification for a flat mirror:
 a. is a function of the image distance.
  b. is a function of the object distance.
  c. is a function of the object and image distances.
  d. is 1.

Question 2

A metal bar is used to conduct heat. When the temperature at one end is 100C and at the other is 20C, heat is transferred at a rate of 32 J/s. The bar is then stretched uniformly to twice its original length. If again it has ends at 100C and 20C, at what rate will heat be transferred between it ends?
 a. 4 J/s
  c. 16 J/s
  b. 8 J/s
  d. 32 J/s


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Ddddd

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


Ebrown

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Reply 2 on: Jul 28, 2018
Excellent

dawsa925

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Reply 3 on: Yesterday
:D TYSM

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