A rod is found to be 0.04 cm longer at 30°C than it is at 10°C. Calculate its length at 0°C if coefficient of linear expansion, a is 2 x 10$/ °C.
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- A wire is 21.0 m long at 3.50°C and is 1.51 cm longer at 33.5°C. Find the wire's coefficient of linear expansion (in (°C)−1).a rod of alloy metal measures 3.521 m long at 290 degrees celius . At 373 degrees celcius the rod is 3.523 m long . Determine the value of the coefficient of linear expansion for the metal .You’re heating a 1.5 m copper bar, coefficient of linear expansion 1.7 ×10–5 °C–1, raising its temperature by 300°C. What is the final length of the bar?
- 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: LA wire is 23.5 m long at 4.00 °C and is 1.86 cm longer at 37.0°C. Find the wire's coefficient of linear expansionThe density of lead is 1.13 x 10“ kg/m³ at 20.0°C. Find its density (in kg/m) at 131°C. (Use a = 29 x 10-° (°C)-- for the coefficient of linear expansion. Give your answer to at least four significant figures.) HINT 3 × kg/m³ 11216.1
- 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°CA glass tube of radius 0.80 cm contains liquid mercury to a depth of 64.0 cmat 12˚C. Find the depth of the mercury column at 100˚C. Assume that the linear expansion coefficient of the glass is 10x10-6 K-1and the linear expansion coefficient of mercury is 0.61x10-4 K-1.