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QUESTION
A glass window 0.45 cm thick measures 86 cm by 38 cm. If the inside and outside temperatures differ by 16^\circ, the heat flows through this window...
A glass window 0.45 cm thick measures 86 cm by 38 cm. If the inside and outside temperatures differ by 16^circ, the heat flows through this window per minute is 59 kJ. To compare the relative efficiency of air and glass as insulators, calculate the heat flows through this window per minute with a 0.45 cm thick layer of air instead of glass.
