According to the exercise principle of balance, a workout should
a. address all components of fitness
b. focus on balance and coordination
c. target specific areas for improvement
d. vary exercise activities over time

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.