Two elevators A and B, move at a constant speed. Elevator B moves with twice the speed of elevator A. Elevator A weighs twice as much as elevator B. Compared to the power needed to lift elevator A, the power needed to lift elevator B is?

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia

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.