For an isolated system, the sum of the kinetic and potential energies. A. gradually changes up and down over time.
B. increases gradually over time.
C. always remains the same.
D. decreases gradually over time.

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

What determines the amount of inertia an object has