Question

Ashish travels from city A to city B with an average speed of X km/h on a straight road. And return
to city A with an average velocity of Y km/h. Calculate average velocity and average speed for
whole journey​

Answer 1

Answer:

Let the distance between the two cities A and B be x m.

Time taken by the train to travel from A to B =

10

x

= t

1

(say)

Time taken to come back from B to A =

20

x

= t

2

(say)

Average speed =

Totaltime

Totaldistance

=

t

1

+t

2

x+x

=

10

x

+

20

x

2x

=

3

40

ms

−1