body at temperature 50ºC is kept in a surrounding of constant temperature 26ºC. It is observed that its temperature falls to 31ºC in 9 minutes. Find how much more time will it take for the body to attain a temperature of 28ºC

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. A body at temperature 50ºC is kept in a surrounding of constant temperature 26ºC. It is observed that its temperature falls to 31ºC in 9 minutes. Find how much more time will it take for the body to attain a temperature of 28ºC. 2. A person was found murdered in their home. Police arrived on the scene at 10.56 P.M. The temperature of the body at that time was 31oC, and one hour later it was 30oC. The temperature of the room in which the body was found was 22oC. When was the murder committed?
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