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Author Question: If light travels 63,000 AU in 1 year at 3 108 m/s, which of these best represents the unit of a ... (Read 30 times)

burton19126

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on: Jul 27, 2018
If light travels 63,000 AU in 1 year at 3  108 m/s, which of these best represents the unit of a light-year?
 
  a. 63,000 AU b. 3  108 m/s
  c. 1 year d. All of the other choices are correct.

Question 2

Which is the shorter time unit - a light-second, a light-minute, or a light-year?
 
  a. light-second b. light-minute
  c. light-year d. None of the other choices are correct.


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amandalm

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Reply #1 on: Jul 27, 2018
Answer to Question 1

a
RATIONALE: You are seeking a unit of distance as the unit for light-year is distance.

Answer to Question 2

d
RATIONALE: The units given are distance units.


burton19126

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


amandalm

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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