Recent content by crystalspark

  1. C

    Time it takes for light to travel 54 cm

    yes! can you show me how to do it!
  2. C

    Time it takes for light to travel 54 cm

    1. Homework Statement How do you find the time it takes for light to travel 54 cm through glycerin (index of refraction = 1.470 at 20˚C) in an aquarium? 2. Homework Equations These equations might be useful: v= 331 m/s + (0.59 m/s/c˚)(T) niSinθi=nRSinθR 3. The Attempt at a Solution...
  3. C

    What's the air temperature when Δd=250m

    Homework Statement A hunter wanted to know the air temperature. The echo from a nearby cliff returned 1.5 s after he fired his riffle. If the cliff is 250 m away, how do you calculate the air temperature? Homework Equations v=331 m/s + (0.59 m/s/c˚)T niSinθi=nRSinθR x=Δd/2 These...
  4. C

    Time it takes for light to travel 54 cm

    Homework Statement How do you find the time it takes for light to travel 54 cm through glycerin (index of refraction = 1.470 at 20˚C) in an aquarium? Homework Equations These equations might be useful: v= 331 m/s + (0.59 m/s/c˚)(T) niSinθi=nRSinθR The Attempt at a Solution v=...
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