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maparicio

  • 3 years ago

How many meters does light travel in 1 nanosecond?

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  1. 3psilon
    • 3 years ago
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    \[\frac{ 3x10^{8} meters}{ 1 \sec } * \frac{ 1.0x10^-9 seconds }{ 1 nanosecond }\] This will give you meters per 1 nanosec

  2. maparicio
    • 3 years ago
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    Thank you, can you help me with this part: By bouncing laser beams off a reflector placed on our moon by the Apollo astronauts, astronomers can make very accurate measurements of the earth-moon distance ( ).How long after it is sent does it take such a laser beam (which is just a light beam) to return to earth?

  3. 3psilon
    • 3 years ago
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    So do they give you the distance from earth to moon?

  4. maparicio
    • 3 years ago
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    nevermind thanks but I figured it out

  5. 3psilon
    • 3 years ago
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    Okay Np man

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