V=(40km/hr)(hr/3600s)(1000000mm/km)
v=11111.1mm/s
v=d/t
d=vt
d=(11111.1mm/s)(5s)
d=55555mm
d=5.56x10^4mm
Objects with the same charge repels each other whereas objects with opposite charges attract each other.
Hope this helps!
Because the scientific method can go around in a circle as many times as neccisary to get the results you need
