1. A steel rod is 0.40 m long at 20.0 oC. The coefficient of linear expansion for steel is 12 x 10-6 per degree Celsius (12 x 10-6/oC). The increase in length and the final length when it is at 70.0 oC will be…

Thank u! A steel sphere with radius 1.0010 cm at 34.0°C must slip through a brass ring that has an internal radius of 1.0000 cm at the same temperature. To what temperature must the brass ring be heated so that the sphere, still at 34.0°C, can just slip through? Coefficient of linear expansion a for brass is 19.0 x 10^-6 K^-1

A highway is made of concrete slabs that are 16.2 m long at 20.0°C. Expansion coefficient of concrete is α = 12.0 × 10−6 K−1. If the temperature range at the location of the highway is from −20.0°C to +36.9°C, how large are the gaps at −20.0°C? in mm

Suppose 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)? um

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 Answer

1. Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine is hot. A radiator is made of copper and is filled to its 17 -L capacity when at 10 °C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95 °C operating temperature, given that the fluid's volume coefficient of expansion is ß= 400 ×10-6/°C? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95 °C. The volume coefficient of expansion of copper is 5.1 x 10-5/°C. Hint: Consider the expansions of both the fluid and the radiator. AV: L

Homework 2: Problem 7:   When builders were constructing a sidewalk they forgot to include an expansion joint between two of the segments, L = 1.7 m at To = 20° C. Assume the opposite ends of each segment are fixed and the linear expansion coefficient is α = 11.8 × 10-6 °C-1. Part (a)  As the day heats to Tb the segments press against each other and begin to raise the junction a distance h forming a triangle. What is the height (in meters) at Tb=110° F? h = ______ m Part (b)  What should the gap have been, in units of meters, to prevent them from touching? g = ______m

A steel beam 12 m sits next to a concrete wall when the temp is 20 degree A gap must be left between the beam and the concrete wall for expansion purposes. If the temp rises to 45 degrees C how large must the gap be if the steel beam just touches the concrete wall? Coefficient of linear expansion of steel 12X10-6 C-1.    I thought it was 1.20X10-3 but I was wronge  a. 3.60X10-3 b. 1.20X10-3 c. 2.40X10-3 d. 5.10X10-3

Brass 0.030 m 5.0 µm Brass has linear thermal expansion coefficient a = 19 × 10-6rC . The picture shows a design defect in an electrical assembly: if the screw expands enough to touch the surface on the left, a dangerous short circuit will occur. The picture shows the assembly at 15°C. What is the maximum tempe ure the assembly can tolerate? 46.9°C 32.6°C 23.7°C 27.4°C 19.3°C