Shows the relationships among the solid, liquid and gas states as a function of temperature and pressure. A: phase diagram
B: heat energy diagram
C: heating curve

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat