SOLUTION: 3. A traffic enforcer is chasing a passenger car that is speeding at 110 kph. The traffic enforcer is traveling at 120 kph and is 4 km behind the passenger car. How long will it ta

Question 1097374: 3. A traffic enforcer is chasing a passenger car that is speeding at 110 kph. The traffic enforcer is traveling at 120 kph and is 4 km behind the passenger car. How long will it take the police car to overtake the passenger car?
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
.

The distance between them is decreasing at the rate of (120-110) = 10 km/h.


Hence the time for catching up is  of an hour = 4*6 = 24 minutes.

On catching up problems see the lesson
- Travel and Distance problems for two bodies moving in the same direction (catching up)
in this site.

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