Ex. 125 A body cools from 75°C to 55°C in 10 min when the temperature of the surrounding is 31 °C, at what average temperature will its th rate of cooling be that at the start ?

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Ex. 125 A body cools from 75°C to 55°C in 10
min when the temperature of the surrounding
is 31 °C, at what average temperature will its
rate of cooling be
that at the start ?
Transcribed Image Text:Ex. 125 A body cools from 75°C to 55°C in 10 min when the temperature of the surrounding is 31 °C, at what average temperature will its rate of cooling be that at the start ?
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