Question

25. A car travels a certain distance with a speed of 40 kmh and returns with a speed 40
kmh? Calculate the average speed for the entire journey?​

Answer 1

Answer:

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

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

Average speed= 1+1/

(1/50)+(1/40)

=44.44m

Answer 2

Here is your answer Step by step