Solved: What power input needed to effect the soldering, Mechanical Engineering

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What power input needed to effect the soldering

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Q: Two long copper rods of diameter D = 10 mm are soldered together end to end, with solder having a melting point of 650°e. The rods are in air at 25°C with a convection coefficient of l0W/m2 · K. What is the minimum power input needed to effect the soldering? You must solve the probvlem step by step.

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Mechanical Engineering: What power input needed to effect the soldering

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