Answer: 0.04 m/s
Explanation:
Velocity is calculated as displacement divided by time and its unit is meter per second.
Displacement = 240cm = 240/100 = 2.4m
Time = 60 seconds
Velocity = Displacement / Time
= 2.4 / 60
= 0.04 m/s
In Africa, a number of specialized occupations developed ,highly skilled metal smiths developed more effcient tool that increase agricultral produtivity. they also produce improved weapons ,which became important in the expansion of kingdoms.
