A thick bronze plate ( = 0.86 10–5 m2/s, k = 26 W/m K) is initially at a uniform temperature of 250°C. Suddenly the surface is exposed to a coolant at 25°C. Assuming h = 150 W/m2 K, determine the...

A thick bronze plate (
= 0.86

10^–5
m²/s, k = 26 W/m K) is initially at a uniform temperature of 250°C. Suddenly the surface is exposed to a coolant at 25°C. Assuming h = 150 W/m²
K, determine the temperature 5 cm from the surface 10 min after the exposure.