Question

a body covers half the distance with speed 10 MS and the next half of the journey with speed 20 MS the average speed of the body for the entire journey is​

Answer 1

Answer:

15m/s

Step-by-step explanation:

Speed 1  = 10ms

speed 2 = 20ms

Avg speed = total dist/total time

hence 10+20/1+1

30/2

15m/s