The relationship between kinetic energy and potential energy is
A) one must have potential energy before kinetic energy can be realized.
B) kinetic energy is proportional to the potential energy.
C) potential energy is the storage state of kinetic energy.
D) in practice, all of a potential energy source is never fully transformed to usable kinetic energy.
E) All of the above are true.
Question 2
The standard unit of energy in the International System (SI) used in scientific applications is the
A) Watt.
B) Ampere.
C) Joule.
D) Ohm.