EBK PHYSICS
5th Edition
ISBN: 8220103026918
Author: Walker
Publisher: PEARSON
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Chapter 16, Problem 54PCE
BIO Assuming your skin temperature is 37.2 °C and the temperature of your surroundings is 20.0 °C, determine the length of time required for you to
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Chapter 16 Solutions
EBK PHYSICS
Ch. 16.1 - Prob. 1EYUCh. 16.2 - Is the size of a degree in the Fahrenheit scale...Ch. 16.3 - The following systems consist of a metal rod with...Ch. 16.4 - Prob. 4EYUCh. 16.5 - Prob. 5EYUCh. 16.6 - The following systems consist of a cylindrical...Ch. 16 - Prob. 1CQCh. 16 - Prob. 2CQCh. 16 - Prob. 3CQCh. 16 - If the glass in a glass thermometer had the same...
Ch. 16 - Prob. 5CQCh. 16 - Sometimes the metal lid on a glass jar has been...Ch. 16 - Prob. 7CQCh. 16 - The specific heat of concrete is greater than that...Ch. 16 - When you touch a piece of metal and a piece of...Ch. 16 - The rate of heat flow through a slab does not...Ch. 16 - Prob. 11CQCh. 16 - Updrafts of air allow hawks and eagles to glide...Ch. 16 - BIO The fur of polar bears consists of hollow...Ch. 16 - Object 2 has twice the emissivity of object 1,...Ch. 16 - Prob. 1PCECh. 16 - Prob. 2PCECh. 16 - Incandescent lightbulbs heat a tungsten filament...Ch. 16 - Normal body temperature for humans is 98.6 F. What...Ch. 16 - The temperature at the surface of the Sun is about...Ch. 16 - One day you notice that the outside temperature...Ch. 16 - The gas in a constant-volume gas thermometer has a...Ch. 16 - Prob. 8PCECh. 16 - Greatest Change in Temperature A world record for...Ch. 16 - Prob. 10PCECh. 16 - Prob. 11PCECh. 16 - When the bulb of a constant-volume gas thermometer...Ch. 16 - Bimetallic strip A is made of copper and steel;...Ch. 16 - Prob. 14PCECh. 16 - Predict/Explain A brass plate has a circular hole...Ch. 16 - Figure 16-25 shows five metal plates, all at the...Ch. 16 - Longest Suspension Bridge The worlds longest...Ch. 16 - A vinyl siding panel for a house is installed on a...Ch. 16 - A cylinder bore in an aluminum engine block has a...Ch. 16 - Prob. 20PCECh. 16 - At 18.75 C a brass sleeve has an inside diameter...Ch. 16 - Early in the morning, when the temperature is 5.5...Ch. 16 - Some cookware has a stainless steel interior ( =...Ch. 16 - Predict/Calculate You construct two wire-frame...Ch. 16 - A metal ball that is 1.2 m in diameter expands by...Ch. 16 - A copper ball with a radius of 1.7 cm is heated...Ch. 16 - Predict/Calculate An aluminum saucepan with a...Ch. 16 - Prob. 28PCECh. 16 - BIO An exercise machine indicates that you have...Ch. 16 - BIO A certain sandwich cookie contains 53 C of...Ch. 16 - BIO During a workout, a person repeatedly lifts a...Ch. 16 - Prob. 32PCECh. 16 - BIO It was shown in Example 16-18 that a typical...Ch. 16 - Predict/Explain Two objects are made of the same...Ch. 16 - Prob. 35PCECh. 16 - Prob. 36PCECh. 16 - Prob. 37PCECh. 16 - A 9.7-g lead bullet is fired into a fence post....Ch. 16 - Prob. 39PCECh. 16 - Prob. 40PCECh. 16 - A 225-g lead ball at a temperature of 81.2 C is...Ch. 16 - If 2200 J of heat are added to a 190-g object, its...Ch. 16 - Chips by the Ton Tortilla chips are manufactured...Ch. 16 - Prob. 44PCECh. 16 - To determine the specific heat of an object, a...Ch. 16 - Predict/Calculate A student drops a 0.33-kg piece...Ch. 16 - Prob. 47PCECh. 16 - Predict/Explain In a popular lecture...Ch. 16 - Figure 16-27 shows a composite slab of three...Ch. 16 - Figure 16-28 Problem 50 50. CE Heat is...Ch. 16 - Predict/Explain Two identical bowls of casserole...Ch. 16 - Two bowls of soup with identical temperatures are...Ch. 16 - A glass window 0.33 cm thick measures 81 cm by 39...Ch. 16 - BIO Assuming your skin temperature is 37.2 C and...Ch. 16 - Find the heat that flows in 1.0 s through a lead...Ch. 16 - Consider a double-paned window consisting of two...Ch. 16 - Predict/Calculate Two metal rods of equal...Ch. 16 - Two cylindrical metal rodsone copper, the other...Ch. 16 - Prob. 59PCECh. 16 - Predict/Calculate Consider two cylindrical metal...Ch. 16 - A copper rod 85 cm long is used to poke a fire....Ch. 16 - Two identical objects are placed in a room at 24...Ch. 16 - A block has the dimensions L, 2L, and 3L. When one...Ch. 16 - Prob. 64GPCh. 16 - CE A copper ring stands on edge with a metal rod...Ch. 16 - CE Referring to the copper ring in the previous...Ch. 16 - Prob. 67GPCh. 16 - Making Steel Sheets In the continuous-caster...Ch. 16 - The Coldest Place in the Universe The Boomerang...Ch. 16 - BIO The Hottest Living Things From the surreal...Ch. 16 - Thermal energy is added to 180 g of water at a...Ch. 16 - Prob. 72GPCh. 16 - BIO Brain Power As you read this problem, your...Ch. 16 - BIO Brain Food Your brain consumes about 22 W of...Ch. 16 - BIO The Cricket Thermometer The rate of chirping...Ch. 16 - Predict/Calculate A pendulum consists of a large...Ch. 16 - Prob. 77GPCh. 16 - A256-kg rock sits in full sunlight on the edge of...Ch. 16 - Prob. 79GPCh. 16 - Thermal Storage Solar heating of a house is much...Ch. 16 - Pave It Over Suppose city 1 leaves an entire block...Ch. 16 - Prob. 82GPCh. 16 - You turn a crank on a device similar to that shown...Ch. 16 - Prob. 84GPCh. 16 - The Solar Constant The surface of the Sun has a...Ch. 16 - Bars of two different metals are bolted together,...Ch. 16 - A grandfather clock has a simple brass pendulum of...Ch. 16 - Prob. 88GPCh. 16 - A layer of ice has formed on a small pond. The air...Ch. 16 - A Double-Paned Window An energy-efficient...Ch. 16 - Cool Medicine In situations in which the brain is...Ch. 16 - Cool Medicine In situations in which the brain is...Ch. 16 - Cool Medicine In situations in which the brain is...Ch. 16 - Prob. 94PPCh. 16 - Referring to Example 16-12 Suppose the mass of the...Ch. 16 - Referring to Example 16-12 Suppose the initial...Ch. 16 - Prob. 97PPCh. 16 - Predict/Calculate Referring to Example 16-16...
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- The surface area of an unclothed person is 1.50 m2, and his skin temperature is 33.0C. The person is located in a dark room with a temperature of 20.0C, and the emissivity of the skin is e = 0.95. (a) At what rate is energy radiated by the body? (b) What is the significance of the sign of your answer?arrow_forward(a) Calculate the rate of heat conduction through a double-paned window that has a 150-m2 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 15.0 C, while that on the outside is 10.0 OC. (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 granite ball of radius 2.00 m and emissivity 0.450 is heated to 135C. (a) Convert the given temperature to Kelvin. (b) What is the surface area of the ball? (c) If the ambient temperature is 25.0C, what net power does the ball radiate?arrow_forward
- (a) At what temperature do the Fahrenheit and Celsius scales have the same numerical value? (b) At what temperature do me Fahrenheit and Kelvin scales have the same numerical value?arrow_forward(a) An exterior wall of a house is 3 m tall and 10 m wide. It consists of a layer of drywall with an R factor of 0.56, a layer 3.5 inches thick filled with fiberglass batts, and a layer of insulated siding with an R factor of 2.6. The wall is built so well that there are no leaks of air through it. When the inside of the wall is at 22 and the outside is at 2 , what is the rate of heat flow through the wall? (b) More realistically, the 3.5-inch space also contains 2-by-4 studs—wooden boards 1.5 inches by 3.5 inches oriented so that 3.5-inch dimension extends from the drywall to the siding. They are "on 16-inch centers," that is, the centers of the studs ale 16 inches apart. What is the heat current in this situation? Don't worry about one stud mole or less.arrow_forwardAn orange orb has a surface area of 6.1 m2 and its surroundings are at 216°C. The orange orb is absorbing heat via radiation at a rate of 510 W and it is emitting heat via radiation at a rate of 661 W. Determine the emissivity of the orb, the temperature of the orb, & Pnet.arrow_forward
- a) Assuming your skin temperature is 97.2 °F and the temperature of your surroundings is 60.0 °F, determine the length of time in minutes required for you to radiate away the energy gained by eating a 430 kJ apple. Let the emissivity of your skin be 0.9 and its area be 1.22 m². [Answer in 2 significant figures]arrow_forwardA concerned mother is dressing her child for play in the snow. The child’s skin temperature is 34.0°C and the outside air temperature is1.5°C. If the emissivity of the child’s skin is 0.710 and he has 0.0115 m2 of exposed skin area, what is the amount of energy transferred from his body to the surroundings in 1.00 h?arrow_forwardA concerned mother is dressing her child for play in the snow. The child's skin temperature is 35.0°C, and the outside air temperature is 1.25°C. If the emissivity of the child's skin is 0.770 and he has 1.25 x 10-2 m² of exposed skin area, what is the amount of energy transferred from his body to the surroundings in 1.00 h? 6347.5177 X Jarrow_forward
- the solar car prototype, have an emissivity of e = 0.855. When in direct sunlight, they absorb energy at a rate of 965 J/s per square meter of surface. Assume that the only energy loss is due to the emission of radiation. What equilibrium temperature are the panels reachingarrow_forwardA metal sphere with radius 3.20 cm is suspended in a large metal box with interior walls that are maintained at 30.0°C. A small electric heater is embedded in the sphere. Heat energy must be supplied to the sphere at the rate of 0.660 J/s to maintain the sphere at a constant temperature of 41.0°C. (a) What is the emissivity of the metal sphere?arrow_forwardA sphere of radius 0.500 m, temperature 25.7o C, and emissivity 0.915 is isolated in an environment of temperature 77.0o C. At what rate does the sphere emit thermal radiation? At what rate does the sphere absorb thermal radiation? What is the sphere's net rate of energy exchange?arrow_forward
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