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Author Question: A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object ... (Read 100 times)

storky111

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A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object height is 1.2 cm what is the image height?
 a. 0.30 cm
  c. 0.94 cm
  b. 0.48 cm
  d. 3.0 cm

Question 2

In winter, light-colored clothes will keep you warmer than dark-colored clothes if:
 a. you are warmer than your surroundings.
  b. you are at the same temperature as your surroundings.
  c. you are cooler than your surroundings.
  d. you are standing in sunlight.



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JaynaD87

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Answer to Question 1

B

Answer to Question 2

A




storky111

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


LVPMS

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Reply 3 on: Yesterday
Wow, this really help

 

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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

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