Question:How many meters are in a lightyear?
Answer and Explanation:
There are approximately 9.5x1015 meters in a light year.
One light year is the distance that light travels in a vacuum in one year. The speed of light is 3x108 m/s.
One year has 365x24x60x60 seconds.
So, in one year, light will travel (3x108) x (365x24x60x60) meters = (3x108) x 31,536,000 m = 94608x1011 m = 9.5x1015 m
Therefore, 1 light year is approximately 9.5x1015 m.
Learn more about this topic:
from Physical Science: Middle SchoolChapter 3 / Lesson 6
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