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  • 4.A certain freezing process requires that room temperature be lowered from 40° catrate of 50°c every hour. What will be the room temperature 10 hours after theprocess begins??

4.A certain freezing process requires that room temperature be lowered from 40° catrate of 50°c every hour. What will be the room temperature 10 hours after theprocess begins??

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eginarrayl exttemperature at the beginning of the process =40^circ\ extrate of lowering of temperature =50^circ per hour \ exttotal lowering of temperature for 10 hours=50 imes10=500^circ\ extTemperature at the end of 10 hours=40^circ-500^circ=-460^circ\ endarray

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Deependra Verma

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