Determine the initial temperature in degrees celsius

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Reference no: EM1362496

Q. A sailboat is heading directly north at a speed of 21 knots (1 knot = 0.514 m/s). The wind is blowing towards the east with a speed of 10.6 knots. (Both velocities are given relative to the Earth.)

Q. At a fabrication plant, a hot metal forging has a mass of 68.1 kg and a specific heat capacity of 427 J/(kg C°). To harden it, the forging is quenched by immersion in 700 kg of oil that has a temperature of 37.6 °C and a specific heat capacity of 2780 J/(kg C°). The final temperature of the oil and forging at thermal equilibrium is 45.8 °C. Assuming that heat flows only between the forging and the oil, determine the initial temperature in degrees Celsius of the forging.

Reference no: EM1362496

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