A logger applies 200 j of work to lift a log over 2m. What is the mass of the log?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.