A net force of 1.6×10−15 N acts on an electron over a displacement of 7.1 cm, in the same direction as the net force. (a) What is the change in kinetic energy of the electron (joules)?

Answer 1

ΔKE=Work=Fs=
=1.6x10^-15 x 0.071=
=1.136x10^-16 J