A body cools in 7 min from 60^\circ{C} to 40^\circ {C}. What times (in min) does it take to cool from 40^\circ{C} to 28^\circ{C}, if surrounding temperature is 10^\circ{C} ? (Assume Newton's law of cooling)

Manipal Entrance Test 2018 Physics Paper

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A body cools in 7 min from 60°C to 40°C. What times (in min) does it take to cool from 40°C to 28°C, if surrounding temperature is 10°C? (Assume Newton's law of cooling)

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