a car has to cover a distance of 10 km . It covers a distance of first 4 km at a speed of 40 km per hr. how fast should the car travel while covering the remaining distance. So that it's average speed for the entire trip is 60km per hr
Answers
Answered by
13
Total distance to be covered = 10 km
Target average speed = 60 km/h
Hence, target travel time = 10 minutes
Time used to cover the first 4 km at 40 km/h = 6 minutes
Time left to cover the remaining 6 km = 4 minutes
Target speed for the remaining 6 km = 6/4 km/min or 90 km/h
hope it helps..
Similar questions