The homework problem reads as follows: A proton and an electron are held in place on the x axis. The proton is at x=-d, while the electron is at x=+d. They are released simultaneously, and the only force that affects their motions is the electrostatic force of attraction that each applies to the other. Which particle reaches the origin first? 2. Relevant equations Newtons second law 3. The attempt at a solution Without any provided numbers, wont they reach the origin at the same time?