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A 10cm diameter apple, approximately spherical shape, is taken from a 20C environment and placed in refrigerator where temperature is 5C and average HTC over

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A 10cm diameter apple, approximately spherical shape, is taken from a 20C environment and placed in refrigerator where temperature is 5C and average HTC over the surface of apple is 6W/m.. Calculate temperature at the centre of the apple after a period of Ihrs. Properties of apple are: k=0.6W/m. K, density=998kg/m?, c=4180J/kg.K

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