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Posted by on Friday, September 10, 2010 at 4:20pm.

A light year (speed of light 2.998x10^8 m/s) is the distance light travels in a year. How many meters are there in 1 light year? (Answer:9.45x10^15 m/yr)

  • physics - , Friday, September 10, 2010 at 4:27pm

    Multiply the speed by the number of seconds in a year. You need to learn to do this kind of simple problem yourself.

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