Astudent hops 10 m in 5 sec. based on this speed they estimate they could hop 100 m in 20 sec. is their answer reasonable? explain.

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.