calculate the power of a pump which lift 800kg of water through a vertical height of 12cm in 0.3minutes assuming gravity= 9.8 metre per second​

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

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.