The mass of the Earth is 81 times the mass of the Moon, and the radius of the Earth is 3.7 times of the Moon. If the acceleration of free fall on the Earth is 9.81 ms?, without using the actual mass and radius of Earth and Moon, determine the acceleration on the Moon? ​

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.