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Current implementations of the ‘WiMAX’ wireless technology can support 2 Mbps connections at a distance of 10 km; calculate the propagation delay caused by the transmission time alone for a signal to travel 10 km.). Give your answer in seconds and in scientific notation accurate to 2 decimal places.

  • math -

    c = about 3*10^8 meters/second
    10 km = 10^4 meters
    delay time = distance/speed = 10^4/(3*10^8)
    = (1/3)*10^-4 = 0.000033 seconds
    = 0.333*10^-4 = 3.33 *10^-5 seconds

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