*38. GO At the bottom of an old mercury-in-glass thermometer is a45-mm reservoir filled with mercury. When the thermometer was placedunder your tongue, the warmed mercury would expand into a very narrowcylindrical channel, called a capillary, whose radius was 1.7 × 10-² mm.Marks were placed along the capillary that indicated the temperature.Ignore the thermal expansion of the glass and determine how far (in mm)the mercury would expand into the capillary when the temperaturechanged by 1.0 C°.

Coefficient of linear thermal expansion of a material is defined as relative change of volume…

Answered: *38. GO At the bottom of an old…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A Thermopane window of area 5 m² is con- structed of two layers of glass, each 4.4 mm thick separated by an air space of 3 mm. If the inside is at 11°C and the outside is at -24°C, what is the heat loss through the window? The thermal conductivity of glass is 0.8 W/m .° C and of air is 0.0234 W/m .° C. Answer in units of kW.
14. A granite ball of radius 2.00 m and emissivity 0.45 is heated to 135°C. a. Convert the given temperature to Kelvin. b. What is the surface area of the ball? c. If the ambient temperature is 25°C, what net power does the ball radiate? [408 K, 50.27 m², 2.54 x10° W] 15 The Glament of a 75 W light hulh ie at a tomporature oE 2200 K Accuming the Glament has an
S. At a temperature of 22.20°C the hole in a steel plate has a diameter of 1.030 cm. If a steel rod with a diameter of 1.038 cm has to just slip through this hole, to what temperature should the plate be heated? The coefficient of area expansion of steel is 24 X 10 -6/ °C. Ans: 672
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Problem 3: Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between the object's current temperature and that of its surrounding medium. Let y represent the temperature (in °F) of an object in a room whose temperature is kept at a constant 60°F. The object cools from 100°F to 90°F in 10 minutes. How much longer will it take for the temperature of the object to decrease to 80°F?
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In a calorimetry experiment, two liquid substances X and Y with the same mass are placed in separate isolated containers. The specific heat of the substances are related by cX=2cY. If the substances receive the same amount of heat, what will be the relationship between the change in temperature, ΔTX and ΔTY? A. ΔTX=ΔTY B. ΔTX=2ΔTY C. ΔTX=4ΔTY D. 2ΔTX=ΔTY
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P3. After a particularly cold night, Alice leaves a tub of water outside. You may consider the ground and air to have temperatures of T. = -10°C and T = 10°C respectively. How thick is the layer of ice that forms at the bottom of the tub of water, after the tub has been left outside for a long time? The tub of water initially has a layer of water of thickness họ = 10 cm. You may assume that the ground and air remain at a constant temperature throughout, and that the side lengths of the tub a, b > ho, i.e. the heat conduction is one- dimensional. Density of ice and water are Pice = 920 kg/m³ and Pw = 1000 kg/m³. Ice and water have thermal conductivities of kice = 2.22 WK-1m-1 and kiw = 0.556 W K-1m-1.
A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, which is copper and rests on a heating element. In two minutes, the mass of water boiled away is m = 2.5 kg. The radius of the pot bottom is R = 8.0 cm and the thickness is L = 1.0 mm. What is the temperature of the heating element in contact with the pot? TE = Number i Units
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A circular disk of an unknown special alloy has a diameter of 0.051 m. When we increase the temperature by 60.8 degrees Celsius, the diameter increases by an amount of +9.3 x10-5 m. What is the coefficient of thermal linear expansion of that alloy?

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