Which statement correctly describes how thermal energy tends to spontaneously flow

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?

Asimple electrochemical cell contains two electrodes? t or f

The release of energy by the nucleus of atom as a result of nuclear fission is radiant energy true false