Question

A motorcyclist drives from place A to B with a uniform speed of 30 km/h
and returns from place B to A with a uniform speed of 20 km/h.
Find his average speed and average velocity.

Answer 1

Step-by-step explanation:

24kmh

−1

Let the length of the line segment AB be x m

The time taken is given as t=distance covered/speed

Total time = t

1

+t

2

=

30

x

+

20

x

=

60

5x

h

Average speed = Total distance/Total time =

5x/60

2x

=24 km/h