How hot does it get on the side of mercury closest to the sun

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.

Why do different substances have diffrent properties

What is the frequency if a wave that pases a given pount 22 times in 2 seconds