Question

Define average speed. An object moves with uniform speed of 10 m/s for 5 sec and then with

a uniform speed of 5 m/s for 10 sec. Find its average speed.​

Answer 1

Average speed =total distance by total time
D=s into t
T=d/t
Distance=50 m x2=100m
Total Time=15s
100/15=20/3=6.6666m/s