Sunday
April 20, 2014

Homework Help: science

Posted by allison on Wednesday, April 17, 2013 at 10:42am.

light trsavels at 3*10 m/s. an astrounaut shines a flash light in space. 4 hours later a martian sees a light from the astrounaut. how far away is mars from the astrounaut?

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