Aperson gets into an elevator at the lobby level of a hotel together with his 30-kg suitcase, and gets out at the 10th floor 35m above. determine the amount of energy consumed by the motor of the elevator that is now stored in the suitcase

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.