Question

8. In the above question, if the boy covers half the path
during his return journey, find the average speed
and average velocity.​

Answer 1

Explanation:

please send me the above question...

Answer 2

Explanation:

Let the total distance be 2x.

For first half distance :

Speed  is 20 m/s

Thus time taken   t1=20x

For second half distance :

Speed  is 30 m/s

Thus time taken   t2=30x

Average velocity   Vavg=t1+t22x

⟹ Vavg=20x+30x2x=20+302×20×30=24 m/s