Average vehicle on a photograph

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If all trucks travel at speed v', cars at speed v, and the fraction of vehicles passing a stationary observer that are trucks is p, what fraction of vehicles would be trucks on a photograph? If the length of a truck is twice that of a car, how many car lengths is the average vehicle on a photograph? Evaluate these for v' = 50 km/hr, v = 80 km/hr, and p = 0.7

Reference no: EM132637268

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