The energy of motion is called
a. potential energy.
b. thermal energy.
c. work.
d. kinetic energy.

Substances that assume the shape of their container, but do not have a definite size are called

Suppose the house in question 3 is located in cleveland where the annual average solar flux is 160 w/m2 . if 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water:

Why does magnet 5 float above magnet 4