A horse starts from rest and speeds up with constant acceleration. If it has gone a distance of 100 m at the point when it reaches a speed of 12 m/s, what is its acceleration? O A. 2.1 m/s2
O B. 0.72 m/s2
O C. 1.4 m/s2
O D. 8.3 m/s2

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.