Anonymous
Anonymous asked in Science & MathematicsPhysics · 1 month ago

How far does light travel in the following periods of time?

2.5 s

Express your answer in meters using two significant figures.

7.0 days

Express your answer in meters using two significant figures.

2 Answers

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  • oubaas
    Lv 7
    1 month ago

    2.5 s

    3*10^8*2.5 = 7.5*10^8 m 

    7.0 days

    3*10^8*3.6*10^3*24*7  = 1.8*10^14 m

  • 1 month ago

    Light travels 2.98 * 10^8 m/s. 

    For 7 seconds, multiply by 7. 

    For 7 days multiply by 60 * 60 * 24 * 7 = 604800. 

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