Two Carts collided and bounce apart

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.

Why there is no inductive reactance in dc circuits

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm