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Find the fraction of vehicles passing

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If all trucks travel at a speed v', cars at a 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? Please derive a formula for this fraction as a function of p, v, and v'. Show all your steps.

Evaluate this fraction for v' = 50 mph, v= 80 mph, p = 30%.

Reference no: EM132637223

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