If light travels 63,000 AU in 1 year at 3 108 m/s, which of ...

[burton19126]

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.

[amandalm]

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]

Both answers were spot on, thank you once again

[amandalm]

Great! Please up vote