How fast is a light second? Are you a second Einstein?
Level
2
A : 300,000 Kilometers B : 100,000,000 Kilometers C : 200,000 Kilometers
If you get this correct your smarter than Einstein.
A:C
B:C
C:A
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1 solution
Fact: 1 light-second is equal to exactly 299 792 458 m or approximately 3 0 0 0 0 0 k m . Hence, the answer is C: A .
Bonus: How did we acquire 299 792 458 m as the constant for the light-second?