Can a charge of 1.4×10^-19 C exist? give a reason..​

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

Which two particles are found in the center of an atom

When using the scientist method, which step comes last?