A laser rangefinder is an instrument that sends out a pulse of light and senses the time
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Question:
A laser rangefinder is an instrument that sends out a pulse of light and senses the time required for the light to reach an object, like an outcrop, reflect off the object and return to the laser. Suppose the flight time for one measurement is nanoseconds. Light travels meters in one nanosecond. How far does the light pulse travel?
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