Question

when body moves 20meters in 6seconds and 30meters. in 4seconds. what is the average velocity of a body

Answer 1

we know ::- speed (velocity) = distance /time
velocity of 1st body =20/6=10/3=3.33m/s
velocity of 2nd body =30/4=7.5m/s

average velocity = v'+v/2 (v'= 1st body's velocity)
v ( 2nd body's velocity)
V= 3.3+7.5/2
V=10.8/2
V=5.4m/s

Answer 2

Avg velocity = total distance/time
=20+30/10
=4m/s