An object is 30 cm in front of a converging lens with a focal length of 10 cm. use ray tracing to determine the location of the image. is the image upright or inverted? is it real or virtual?

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.