This is the answer: Fossil's found in Susan's yard are from prehistoric times.
Kinetic energy is formed when the object is in motion.
Potential energy is the energy that is formed relative to others.
One of the example is Corn flour factory.
Corn turned into flour by a windmill that moved by the waterfall. Movement of the mill is relative to the power given by waterfall (potential energy) and the spinning crushes the corn into flour (kinetic energy)
A. To find work we need to know F and S; to find power we need to know F and V
Answer:
when work is done on the system or heat comes into the system
