Water at the rate of 0.8 kg/s is heated from 35 to 40°C in a 2.5-cm-diameter tube whose surface is at 90-C. How long must the tube be to accomplish this heating?
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- A steel rod is 2.899 cm in diameter at 28.00°C. A brass ring has an interior diameter of 2.896 cm at 28.00°C. At what common temperature will the ring just slide onto the rod? The linear expansion coefficient of steel is 11.00 x 10-6 1/C°. The linear expansion coefficient of brass is 19.00 × 10-6 1/C°. Number UnitsAt 20∘C, the hole in an aluminum ring is 2.400 cm in diameter. You need to slip this ring over a steel shaft that has a room-temperature diameter of 2.406 cm. To what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? Coefficients of linear thermal expansion of steel and aluminum are 12×10^-6 K^-1 and 23×10^-6 K^-1 respectively. Express your answer in degrees Celsius to two significant figures.JE JIE U 8. A 3.2 m length of copper pipe extends directly from a hot-water heater in a basement to a faucet on the first floor of a house. If the faucet isn't fixed in place, how much will it rise when the pipe is heated from 20.0° C to 85.9° C. The coefficient of linear expansion for copper is 1.6*10$ K-. An amergensy vahicla is traveling at 45 m/s annrnaching a car heading in
- Question 11 After some time, you pour 0.5 kg of milk, whose initial temperature was 5°C. What will be the final equilibrium temperature of this system? Let: 1.5 kg of coffee, originally at 90°C, is placed into a .3 kg aluminum cup. J Ccoffee = 4186 kg K J CAI = 500 kg K J CMilk = 3000 kg K Question 12 A solid steel sphere of radius 50 acts as a perfect radiator, calculate the amount of heat it will radiate after 1 min. cm is heated to 3000 K. If the sphereA large steam pipe is covered with a 4.80 cm thick insulating material with a thermal conductivity of 0.17 W/(m°C). How much energy is lost every second when the temperature of the steam inside the pipe is at 265 °C and the temperature outside of the pipe is 13.0 °C? The pipe has a diameter of 3.70 m and a length of 185 m. Neglect losses through the ends of the pipe. 3863.3 JThank you!
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- A rod made of glass has a circular cross section with a diameter of 0.1200 m at a temperature of 20 degrees celsius. An aluminum ring has a diameter of 0.1196 m at a temperature of 20 degrees celsius. The coefficients of thermal expansion for glass and aluminum are 9.0 x 10-6 1/K and 24.0 x 10-6 1/K, respectively. At what temperature will the aluminum ring be able to slip over the glass rod? Between 225 and 250 degrees celsius Between 175 and 200 degrees celsius Between 100 and 125 degrees celsius Higher than 300 degrees celsius Between 250 and 275 degrees celsius Between 125 and 150 degrees celsius Between 275 and 300 degrees celsius Between 150 and 200 degrees celsius O Between 200 and 225 degrees celsiusSuppose due to a bad break of your femur, you require the insertion of a titanium rod to help the fracture heal. The coefficient of linear expansion for titanium is a-8.60-106 K and the length of the rod when it is in equilibrium with the leg bone and muscle at 37.0°C is 5.10 cm. How much shorter was the rod at room temperature (20.0°C)? umU7