Help!! What must be true of a free-body diagram if an object’s velocity is constant?

Select the three ways that the parallel-plate capacitor differs from a car battery.

The solid that is formed and usually sinks to the bottom of a solution is the

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?