Study the velocity vs. time graph shown. What is the displacement of the object from 2 seconds to 6 seconds? Velocity vs. Time 04 m 08 m 16 m 0 24 m Velocity (m/s) O a NWOO 0 1 4 5 6 2 3 Time (s)

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.