An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a condenser at 800 kpa and the evaporator at -12 degrees

c. if the cooling load is 150 kw, determine the cop and the power required for this service in kw.

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Blank liquids and gases exert a buoyant force on objects placed in them

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question