A cyclist goes uphill at 3km/hr & down the same hill at 6km/hr. What is the average speed?
Answers
Answered by
14
Let x be the distance up the hill.
Time to go = x/3 hrs
Time to come down = x/6 hrs.
Total time taken for journey = x/2 hrs
Total distance of journey = 2x
Avg speed = 4 km/hr
Time to go = x/3 hrs
Time to come down = x/6 hrs.
Total time taken for journey = x/2 hrs
Total distance of journey = 2x
Avg speed = 4 km/hr
Similar questions