A force that is between any two objects that have net charge

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

Which accounts for an increase in the temperature of a gas that is kept a constant volume

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.