Question

a bus cover a distance of 40km while returning it travel 50 km and calculate the average speed​

Answer 1

Answer:

To complete 1km distance with speed =50kmhr it tkes time t

1

=

50

1

s

To complete 1km distance with speed =40kmhr it tkes time t

1

=

40

1

s

Average speed=

(1/50)+(1/40)

1+1

=44.44m/s