Fernandez Norris
07/25/2023 · Senior High School
JERCICIOS 3.5 1. Una sustancia se enfría desde \( 100^{\circ} \) hasta \( 70^{\circ} \) en 15 minutos estando al aire libre (temperatura del aire \( 20^{\circ} \) ), hallar la temperatura después de 30 minutos. Respuesta: \( T=51^{\circ} \) 2. Un cuerpo a una temperatura desconocida se coloca en una habitación en la cual hay una temperatura constante de \( 18^{\circ} \). Si después de 15 minu- tos la temperatura del cuerpo es de \( 8^{\circ} \) y después de 25 minutos es de \( 12^{\circ} \), hallar la temperatura inicial del cuerpo. Respuesta: \( T=3.5^{\circ} \)
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1. \( T \approx 51^{\circ} \)
2. \( T_0 \approx 3.5^{\circ} \)
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