A copper rod is 20 cm longer than an aluminum rod, how long should the copper rod be if the difference in their lengths is to be independent of temperature? Linear expansion of copper and aluminum are 1.70x10^-5 /C and 2.2x10^-5/C respectively.
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A copper rod is 20 cm longer than an aluminum rod, how long should the copper rod be if the difference in their lengths is to be independent of temperature? Linear expansion of copper and aluminum are 1.70x10^-5 /C and 2.2x10^-5/C respectively.
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- A bimetallic strip with thickness x is originally straight at temperature T. When it is heated to temperature T + AT, it bends and forms a curve with radius of curvature R. Given the coefficients of linear expansion of the two metals are a, and a2, respectively, with a, > a,, Find R. Assume that the two metals have equal thickness and R » x.At 20°C, a rod is exactly 20.05 cm long on a steel ruler. Both are placed in an oven at 270°C, where the rod now measures 20.11 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod is made?A styrofoam cooler (k = 0.030 W/(m-°C) has outside dimensions of 0.170 m x 0.250 m x 0.260 m, and an average thickness of 2.0 cm. How long will it take for 1.10 kg of ice at -5.0°C to melt (to water at 0°C) in the cooler if the outside temperature is 34.0°C? Assume that ice temperature increases linearly from -5.0°C to 0°C. Neglect any temperature change of the air in the cooler. Data: Specific heat of ice is 2050 J/(kg-K). Laten heat of fusion of water is 3.34×105 J/kg.
- Older railroad tracks in the U.S. are made of Part A 12-m-long pieces of steel. When the tracks are laid, gaps are left between the sections to prevent buckling when the steel thermally expands. If a track is laid at 16° C, how large should the gaps be if the track is not to buckle when the temperature is as high as 50° C? The coefficient of linear expansion of soft steel is 1.1 × 10-5 °C-1. Express your answer with the appropriate units. HẢ .... Value %3D Submit Previous Answers Request AnswerHow many degrees celcius does someone need to raise the temperature of a copper rod in order to increase its length by 5%? The linear expansion factor for copper is 17 x 10^-6/degrees celcius.Suppose 57.5 L of gasoline, which has a coefficient of volume expansion of 9.5 × 10-4 /°C, was originally at 15.0°C. To what volume, in liters, does the gasoline expand when it warms to 35.0°C?