List the steps of the nebular theory.

May someone explain how to do this question?

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba