The Sankey diagram below shows the energy transfers in a computer. Arrow C shows the energy wasted in sound. Arrow B also shows wasted energy. How is this energy transferred from the computer's energy stores?

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

What do you think car designers do if the damage caused by a crash test is too severe?