Technician a says that reversing the direction of refrigerant (as with a heat pump system) could be done to provide cabin heat. technician b says that the amount of energy loss from the traditional drive belt and electric clutch a/c system is too high for hybrid and electric vehicles. who is correct?

An electrical kettle is made out of stainless steel,weighs two pounds (when empty) with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling.