a person travels from point A with the speed of 20km/h and reach point B. he then returns to point A with the speed of 60 km/h. calculate his average velocity and speed of entire journey
Answers
Answered by
0
Answer:
Explanation:Let distance from A to B be x
Time for travel from A to B= x/20
Time for travel from B to A= x/30
Hence,speed for total distance 2x is:
30
x
+
20
x
2x
=
5x
2x×60
=24 km\hr
Similar questions