What was the orginal purpose of the constitutional convention and what conclusion did they quickly came to?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Anybody wanna ? (picture included? )

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.