Recent content by rusny

  1. R

    Speed of Communication from Space Shuttle to NASA Director

    so that is what I got t for minimum = (orbital distance/speed of light)+(distance to center/speed of sound) => orbital distance = 960 km = 960000 m speed of light 3x10^8 distance to center = 20 m speed of sound = 343 m/s t for min = 6.15x10^-2 s and t for maximum =...
  2. R

    Speed of Communication from Space Shuttle to NASA Director

    but how is possible that shuttle had minimum and maximum distance if as you said it remains above the same portion of earth? or did you mean the maximum and minimum distance of Earth's orbit to sun?
  3. R

    Speed of Communication from Space Shuttle to NASA Director

    so the shuttle is on the Earth orbit its speed is around 17,580 miles per hour we know the speed of light so we can find n of the space n=c/v is the maximum time delay is n1Sin1=n2Sin2 were n1>n2 and the minimum time is n1=n2 ?
  4. R

    Speed of Communication from Space Shuttle to NASA Director

    that's the problem that's all what is given
  5. R

    Speed of Communication from Space Shuttle to NASA Director

    Homework Statement What is the maximum time and the minimum time it takes for communication from the space shuttle to reach the Director of NASA who is seated 20 meters away from the communication radio at Mission Control at the Johnson Space Center in Houston, Texas. You may assume that room...
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