A car travelled at a speed of 60 km/hr in the first hour, 50 km/hr in the second hour and 40 km/hr in the third hour.
Find the car's average speed per hour.
Answers
Answered by
4
Answer:
Solution

To complete 1km distance with speed =50kmhr it tkes time t1=501s
To complete 1km distance with speed =40kmhr it tkes time t1=401s
Average speed=(1/50)+(1/40)1+1=44.44m/s
Answered by
7
Answer:
V1=60kmph
V2=50kmph
V3=40kmph
average speed=V1+V2+V3/3
I. e, 60+50+40/3
=150/3
=50
average speed=50
Similar questions