A cup of coffee cools from $90^\circ C$ to $80^\circ C$ in t minutes when the room temperature is $20^\circ C$. The time taken by the similar cup of coffee to cool from $80^\circ C$ to $60^\circ C$ at the same room temperature is : [JEE Main 2025, 29 Jan (Shift 2)]

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A cup of coffee cools from \(90^\circ C\) to \(80^\circ C\) in t minutes when the room temperature is \(20^\circ C\). Th…

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