Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Chapter 10, Problem 33CQ
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Physics of Everyday Phenomena
Ch. 10 - Is an object that has a temperature of 0C hotter...Ch. 10 - Prob. 2CQCh. 10 - The volume of a gas held at constant pressure...Ch. 10 - We sometimes attempt to determine whether another...Ch. 10 - Prob. 5CQCh. 10 - Is it possible for a temperature to be lower than...Ch. 10 - Is an object with a temperature of 273.2 K hotter...Ch. 10 - Two objects at different temperatures are placed...Ch. 10 - Is it possible for the final temperature of the...Ch. 10 - Two objects of the same mass, but made of...
Ch. 10 - Two cities, one near a large lake and the other in...Ch. 10 - Is it possible to add heat to a substance without...Ch. 10 - What happens if we add heat to water that is at...Ch. 10 - What happens if we remove heat from water at 0C?...Ch. 10 - What does it mean for a liquid to be supercooled?...Ch. 10 - Prob. 16CQCh. 10 - Would a PCM (phase-change material) be useful in a...Ch. 10 - Is it possible to change the temperature of a...Ch. 10 - A hammer is used to pound a piece of soft metal...Ch. 10 - Which represents the greater amount of energy, 1 J...Ch. 10 - Prob. 21CQCh. 10 - Is it possible for the internal energy of a system...Ch. 10 - Based upon his experiments, Joule proposed that...Ch. 10 - An ideal gas is compressed without allowing any...Ch. 10 - Is it possible to decrease the temperature of a...Ch. 10 - Heat is added to an ideal gas, and the gas expands...Ch. 10 - Heat is added to an ideal gas maintained at...Ch. 10 - Prob. 28CQCh. 10 - Prob. 29CQCh. 10 - A block of wood and a block of metal have been...Ch. 10 - Heat is sometimes lost from a house through cracks...Ch. 10 - Is it possible for water on the surface of a road...Ch. 10 - What heat transfer mechanisms (conduction,...Ch. 10 - Prob. 34CQCh. 10 - How do we get heat from the sun through the...Ch. 10 - What property does glass share with carbon dioxide...Ch. 10 - Prob. 37CQCh. 10 - Will a solar power plant (one that generates...Ch. 10 - Prob. 1ECh. 10 - Prob. 2ECh. 10 - The temperature on a very warm summer day is 110F....Ch. 10 - Prob. 4ECh. 10 - Prob. 5ECh. 10 - How much heat is required to raise the temperature...Ch. 10 - How much heat must be removed from a 300-g block...Ch. 10 - How much heat must be added to 120 g of ice at 0C...Ch. 10 - Prob. 9ECh. 10 - Prob. 10ECh. 10 - If 300 cal of heat are added to a system, how much...Ch. 10 - If 1400 J of heat are added to 90 g of water...Ch. 10 - While a gas does 825 J of work on its...Ch. 10 - The volume of an ideal gas is increased from 0.4...Ch. 10 - If the initial temperature in exercise E14 is...Ch. 10 - Work of 2200 J is done on an ideal gas, but the...Ch. 10 - Four hundred calories of heat are added to a gas....Ch. 10 - Work of 1800 J is done by stirring a perfectly...Ch. 10 - Prob. 1SPCh. 10 - A student constructs a thermometer and invents her...Ch. 10 - Prob. 3SPCh. 10 - A 170-g quantity of a certain metal, initially at...Ch. 10 - Prob. 5SPCh. 10 - Suppose the pressure of an ideal gas mixture...
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- For the human body, what is the rate of heat transfer by conduction through the body’s tissue with the following conditions: the tissue thickness is 3.00 cm, the change in temperature is 2.00C, and the skin area is 1.50m2. How does this compare with the average heat transfer rate to the body resulting from an energy intake of about 2400 kcal per day? (No exercise is included.)arrow_forward(a) Calculate the rate of heat conduction through house walls that are 13.0 cm thick and have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The walls' surface area is 120 m2 and their inside surface is at 18.0 , while their outside surface is at 5.00 . (b) How many 1-kW room heaters would be needed to balance the heat transfer due to conduction?arrow_forwardAt what net rate does heat radiate from a 275m2 black roof on a night when the roof’s temperature is 30.0C and the surrounding temperature is 15.0C ? The emissivity of the roof is 0.900.arrow_forward
- Construct Your Own Problem Consider a person outdoors on a cold night. Construct a problem in which you calculate the rate of heat transfer from the person by all three heat transfer methods. Make the initial circumstances such that at rest the person will have a net heat transfer and then decide how much physical activity of a chosen type is necessary to balance the rate of heat transfer. Among the things to consider are the size of the person, type of clothing, initial metabolic rate, sky conditions, amount of water evaporated, and volume of air breathed. Of course, there are many other factors to consider and your instructor may wish to guide you in the assumptions made as well as the detail of analysis and method of presenting your results.arrow_forwardCalculate the rate of heat conduction out of the human body, assuming that the core internal temperature is 37.0C, the skin temperature is 34.0C, the thickness of the tissues between averages 1.00 cm, and the surface area is 1.40m2.arrow_forwardCalculate the temperature the entire sky would have to be in order to transfer energy by radiation at 1000W/m2 —about the rate at which the Sun radiates when it is directly overhead on a clear day. This value is the effective temperature of the sky, a kind of average that takes account of the fact that the Sun occupies only a small part of the sky but is much hotter than the rest. Assume that the body receiving the energy has a temperature of 27.0C.arrow_forward
- (a) Calculate the rate of heat conduction through a double-paned window that has a 1.50m3 area and is made of two panes of 0.800-cm-thick glass separated by a 1.00-cm air gap. The inside surface temperature is 15.0C, while that on the outside is 10.0C. (Hint: There are identical temperature drops across the two glass panes. First find these and then the temperature drop across the air gap. This problem ignores the increased heat transfer in the air gap due to convection.) (b) Calculate the rate of heat conduction through a 1.60-cm-thick window of the same area and with the same temperatures. Compare your answer with that for part (a).arrow_forwardA large body of lava from a volcano has stopped flowing and is slowly cooling. The interior of the lava is at 1200C, its surface is at 450C, and the surroundings are at 27.0C. (a) Calculate the rate at which energy is transferred by radiation from 1.00m2 of surface lava into the surroundings, assuming the emissivity is 1.00. (b) Suppose heat conduction to the surface occurs at the same rate. What is the thickness of the lava between the 450C surface and the 1200C interior, assuming that the lava’s conductivity is the same as that of brick?arrow_forwardCalculate the rate of heat conduction out of the human body, assuming that the core internal temperature is 37.0 , the skin temperature is 34.0 , the thickness of the fatty tissues between the core and the skin averages 1.00 cm, and the surface area is 1.40 m2.arrow_forward
- Suppose you walk into a sauna that has an ambient temperature of 50.0C. (a) Calculate the rate of heat transfer to you by radiation given your skin temperature is 37.0C, the emissivity of skin is 0.98, and the surface area of your body is 1.50m2. (b) If all other forms of heat transfer are balanced (the net heat transfer is zero), at what rate will your body temperature increase if your mass is 75.0 kg?arrow_forwardUnreasonable Results (a) Calculate the rate of heat transfer by conduction through a window with an area of 1.00 m2 that is 0.750 cm thick, if its inner surface is at 22.00C and its outer surface is at 35.00C (b) What is unreasonable about this result? (c) Which premise or assumption is responsible?arrow_forwardSuppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is transferring energy by conduction through the clothing at the rate of 50.0 W. What is the temperature difference across the clothing, given the surface area is 1.40 m2?arrow_forward
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Heat Transfer: Crash Course Engineering #14; Author: CrashCourse;https://www.youtube.com/watch?v=YK7G6l_K6sA;License: Standard YouTube License, CC-BY