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Math Help - Speed of Light.....Solving A Word Problem..Help!

  1. #1
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    Speed of Light.....Solving A Word Problem..Help!

    The speed of light is {3 x 10^8 } m/sec. How long does it take light to travel the {149 x 10^9} m distance from the sun to the earth?
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by Phresh View Post
    The speed of light is {3 x 10^8 } m/sec. How long does it take light to travel the {149 x 10^9} m distance from the sun to the earth?
    speed is distance per unit time: s=\frac{d}{t}

    Solving for t, we see that t=\frac{d}{s}

    You know what s and d are; they are given to you in the problem.

    Can you take it from here?

    --Chris
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    okay umm i got 497 seconds is that correct?
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    Quote Originally Posted by Phresh View Post
    okay umm i got 497 seconds is that correct?
    Yep.
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  5. #5
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by Phresh View Post
    okay umm i got 497 seconds is that correct?
    Yup! which is about roughly 8 minutes.

    --Chris
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