Created by StemPy LabOn a sunny day at the seaside, the breeze blows from the sea to the land. Why?
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← A copper rod and a steel rod of the same length and area are joined end to end. The free end of the copper is kept at 100 °C and that of the steel at 0 °C. What is the temperature of the joint? (k: copper 385 W m⁻¹K⁻¹, steel 50 W m⁻¹K⁻¹.)A black sphere of surface area 0.50 m² is at 600 K. How much power does it radiate? (σ = 5.67 × 10⁻⁸ W m⁻²K⁻⁴.) →
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