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5. Acertain freezing process requires that room temperature be lowered from 40째C at the rate of 5째C every hour Whattemperature 10 hours after the process begins ?

Answer»

Every hour temperature decrease by 5°c

Then in 10 hours temperature will decrease by 10*5 = 50°c

Therefore,After 10 hours temperature will be = (40 - 50) = - 10°c



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