The magnitude of the kinetic frictional force between the surface and the 5kg block is 8n. the coefficient of kinetic friction between the 2kg block and the surface is 0,31 a. calculate the magnitude of the kinetic frictional force between 2kg block and the surface

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.