HELPPP. PHYSICAL SCIENCE MECHANICAL ENERGY LAB

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.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road