Question

a body covers 40 m in 20 s and next 80 m in 20 s...find average velocity

Answer 1

average velocity =displacement by time
so ,40 by 20 gives 2 m per s
80 by 20 gives 4 m per s

Answer 2

Average velocity=displacement time
so 40 by 20 gives 2 m pr s
80 by 20 gives 4 m pr s