A particular power source releases kinetic energy that is used to move giant magnets. These giant magnets are rotated to create electron flow. This
process describes which power source?
A. An electric generator
B. An electric motor
C. An electric reactor
D. Electromagnetism

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d