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A body cools from 50^°C to 40^°C in10 minutes. How long will it take to cool from 40^°C to 30^°C. Of temperature of surrounding to be 30^°C? 1) 10 minutes 2) 12 minutes 3) 15 minutes 4) infinite time

Answer» A body cools from 50^°C to 40^°C in10 minutes. How long will it take to cool from 40^°C to 30^°C. Of temperature of surrounding to be 30^°C? 1) 10 minutes 2) 12 minutes 3) 15 minutes 4) infinite time


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