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Homework Help: What is the speed of the car?

  1. Dec 9, 2005 #1
    Everyday a cyclist meets a car at the station. The road is straight and both are travelling in the same direction. The cyclist travels with speed of 12mph. One day the cyclist comes late by 20 min. and meets the car 5 miles before the station. What is the speed of the car?
     
  2. jcsd
  3. Dec 9, 2005 #2
    The cyclist came late by 20 mins. He met the car 5 miles before. So the car had paased the station 20mins before the cyclist. So the car takes 20 mins less than the cyclist to travel 5 miles. The cyclist by hisspeed of 12mph takes 25mins and hence the car takes 5 mins and thus the speed of the car is 60mph
     
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