13/2 = 6.5 Km/h
That’s 6500/3600= 1.8 m/s
Stressing an equilibrium simply means that the physical properties in which already exists are balanced. Stress can be applied by either changing the pressure or the volume or temperature.
The answer is 0m because at point 8s the displacement is at zero m for example at 3s the displacement is at 8m
This indicates nucleus of an atom constantly positively charged. an atom has an nuteral overall charge because it has the same amount of electrons as protons
