1. An electron of mass 9.11 x 10^-31 kg has an initial speed of 4.00 x 10^5 m/s. It travels in a straight line, and its speed increases to 6.00 x 10^5 m/s in a distance of 3.00 cm.
(a) Assuming its acceleration is constant, determine the force exerted on the electron.
N (in the direction of...