Suppose you are hiking down the Grand Canyon. At the top, the temperature early in the morning is a cool 4.54 °C. By late afternoon, the temperature at the bottom of the canyon has warmed to a sweltering 30.7 °C. What is the difference between the higher and lower temperatures in (a) Fahrenheit degrees and (b) kelvins?

Suppose you are hiking down the Grand Canyon. At the top, the temperature early in the morning is a cool 4.54 °C. By late afternoon, the temperature at the bottom of the canyon has warmed to a sweltering 30.7 °C. What is the difference between the higher and lower temperatures in (a) Fahrenheit degrees and (b) kelvins?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter19: Temperature

Section: Chapter Questions

Problem 19.11OQ: The average coefficient of linear expansion of copper is 17 106 (C)1. The Statue of Liberty is 93...

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The average coefficient of linear expansion of copper is 17 106 (C)1. The Statue of Liberty is 93 in tall on a summer morning when the temperature is 25C. Assume the copper plates covering the statue are mounted edge to edge without expansion joints and do not buckle or bind on the framework supporting them as the day grows hot. What is the order of magnitude of the statues increase in height? (a) 0.1 mm (b) 1 mm (c) 1 cm (d) 10 cm (e) 1 m
A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 C and the outside temperature is 3.00C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.) a. 7.1 mm b. 124 mm c. 9.1 mm d. 8.1 mm e. 11 mm
A 1.0-m-long steel beam, initially at a temperature of 250 C, increases in temperature to 1000 C by inserting it into an insulating jacket for several minutes while the inside of the jacket is subsequently flooded with steam. By how much does the length of the steel beam expand? (The thermal coefficient of linear expansion for steel is 12 x 10-6 (C0)-1) a. 0.90 mm b. 1.0 mm c. 0.70 mm d. 0.80 mm e. 0.60 mm
A thermos contains m1=0.81kg of tea at T1=26 degrees Celcius. Ice (m2=0.065kg, T2=0 degrees celcius) is added to it. The heat capacity of both water and tea is c=4186J/(kg*K), and the latent heat of fusion for water is Lf=33.5x10^4 J/kg. a.) Find an expression for the final temperature after the ice has melted and the system has reached thermal equilibirum. b.) What is the final teperature in K.
Two concrete spans of a 260-m-long bridge are placed end to end so that no room is allowed for expansion (Figure a). If the temperature increases by 16.7°C, what is the height y to which the spans rise when they buckle (Figure b)? (The coefficient of linear expansion of concrete is 1.20 10-5°C−1.)
The outer diameter of a glass jar and the inner diameter of its iron lid are both 760 mm at room temperature (20.0 ∘C). a)What will be the size of the mismatch between the lid and the jar if the lid is briefly held under hot water until its temperature rises to 57.5 ∘C, without changing the temperature of the glass? Use the coefficient of linear expansion for iron α=1.2×10−5K−1.
picture window has dimensions of 1.65 m by 2.2 m and is made of glass 7.5 mm thick. On a winter day, the outside temperature is 24° C while the inside temperature is a comfortable at 17.5° C. (k of glass =0.145W/m.K) ((a*1.5)+(b*1.5)+(c*2.0) Calculate the following:a) the area of the window in square metres b) the temperature gradient (ΔT/Δx)in kelvin/metre c) the rate of heat lost through the window by conduction in watts/metre.kelvin
A 880 cm X 1680 cm house is built on a 15.6 cm thick concrete slab of thermal conductivity 0.62 W/m.K.. If the ground temperature of the slab is 7.6ºC while the interior of the house is 21ºC. Calculate the following: a) The temperature difference in kelvin Answer for part 1 . b) The temperature gradient (ΔT/Δx) in kelvin/metre Answer for part 2 . c) The heat loss rate through the concrete slab in kilowatt Answer for part 3 .
A short brass cylinder (r = 8530 kg/m3, cp =0.389 kJ/kg·K, k = 110 W/m·K, and a 5 *.39 3 1025 m2/s) of diameter 8 cm and height 15 cm is initially at a uniform temperature of 150°C. The cylinder is now placed in atmospheric air at 20°C, where heat transfer takes place by convection with a heat transfer coefficient of 40 W/m2·K. Calculate (a) the center temperature of the cylinder; (b) the center temperature of the top surface of the cylinder; and (c) the total heat transfer from the cylinder 15 min after the start of the cooling.
The roof of a house consists of a 15-cm-thick concrete slab (k = 2 W/m·K) that is 15 m wide and 20 m long. The convection heat transfer coefficients on the inner and outer surfaces of the roof are 5 and 12 W/m2·K, respectively. On a clear winter night, the ambient air is reported to be at 10°C, while the night sky temperature is 100 K. The house and the interior surfaces of the wall are maintained at a constant temperature of 20°C. The emissivity of both surfaces of the concrete roof is 0.9. Considering both radiation and convection heat transfers, determine the rate of heat transfer through the roof, and the inner surface temperature of the roof. If the house is heated by a furnace burning natural gas with an efficiency of 80 percent, and the price of natural gas is $1.20/ therm (1 therm = 105,500 kJ of energy content), determine the money lost through the roof that night during a 14-h period.
The height of the Washington Monument is measured to be 170 m on a day when the temperature is 39.0°C. What will its height be in meters on a day when the temperature falls to −16.5°C? Although the monument is made of limestone, assume that its thermal coefficient of expansion is the same as marble's. (Assume the temperature of the entire monument changes from 39.0°C to −16.5°C. Enter your answer to at least five significant figures.) ____________________ m
A steel rod is 3.00cm3.00cm in diameter at 25.00∘C25.00∘C. A brass ring has an interior diameter of 2.992cm2.992cm at 25.00∘C25.00∘C. At what common temperature will the ring just slide onto the rod? The coefficients of linear thermal expansion of steel and brass are 11.0×10−6K−111.0×10−6K−1 and 19.0×10−6K−119.0×10−6K−1, respectively