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[" Masiancials A body cools down from "6...

[" Masiancials A body cools down from "60^(@)C" to "55^(@)C" in "],[30" s.Using Newton's law of cooling,calculate the time "],[" taken by same body to cool down from "55^(@)C" to "50^(@)C" ."],[" Assume that the temperature of surrounding is "45^(@)C" ."],[" Solution.Assume that a body cools down from temperature "theta_(i)" ,"],[" to "theta_(f)" in "t" seconds,and "theta_(e)" is the temperature of surroundings."]

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