A 54-woman eats a 450 Calorie hamburger for snacks. How many joules of energy is the equivalent of one hamburger?

Q: 1). Compare the heat loss between a standard double pane window 0.9 m by 0.47 m hat has a gap filled…

A: This question can be easily solved by applying the basic concept of heat conduction .

Q: A person eats a dessert that contains 280 Calories. (This "Calorie" unit, with a capital C, is the…

A: Given , skin temperature T1= 360C = 36+273 = 309 K Ambient temperature T2 = 240C = 24+273 = 297 K…

Q: 14. Hot air at 80 C is blown over a 2m x 4m flat surface at 30 C. If the convection heat transfer…

A: Given, Initial temperature,Ti=80°C Final temperature,Tf=30°C Heat transfer coefficient, k=55Wm2.C…

Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…

A: The heat transfer from fire to the hands takes place through radiation. The fure emits the radiation…

Q: 2. What are some examples of situations that emphasize heat transfer by conduction, convection and…

A: Heat transfer: It happens from hotter to colder temperature materials. When both material has…

Q: A person eats a dessert that contains 250 Calories. (This "Calorie" unit, with a capital C, is the…

A: The energy contained in the food is, E=250 cal=250×4186 J=1046500 J

Q: 15) Which one of the following quantities is the smallest unit of heat energy? D) Btu A) joule B)…

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Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…

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Q: 37) During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done…

A: In the given question, Amount of heat removed from the system (Q) = 5.0 J The process is isothermal…

Q: What is the difference between heat transfer by conduction, convection and radiation?

A: What is the difference between heat transfer by conduction, convection and radiation.

Q: According to the USDA, an average, \moderately active" college student needs to eat 2500 calories…

A:

Q: Hydrothermal vents deep on the ocean floor spout water at temperatures as high as 570°C. This…

A: a. The energy released from the water is

Q: Emily is testing her baby’s bath water and finds that it is too cold, so she adds some hot water…

A:

Q: 5.120 A driver’s manual states that the stopping distancequadruples as the speed doubles; that is,…

A:

Q: 7) By what primary heat transfer mechanism does the sun warm the earth? A) conduction B) radiation…

A: 7. The primary heat transfer mechanism does the sun warm the earth is by radiation. Because in the…

Q: A1,700.0 kg car with a speed of 72.5 km/h brakes to a stop. How many cal of heat are generated by…

A:

Q: 3. After eating a 200 g pottle of yoghurt, a person decides to go for a run to burn off the extra…

A: The expression for the time is,

Q: 2. In an electrically heated home, the temperature of the ground in con- tact with a concrete…

A: The rate of heat conducted through the wall is given as, Here, k, A, l and ΔT represent the thermal…

Q: 4.) A material of mass m is heated using 5.00 calories of heat and its temperature rises by one…

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Q: Calculate the rate of heat conduction through a double-paned window that has a 1.50-m2 area and is…

A:

Q: 5. You are cooling a dish that was taken out of the oven with an internal temperature of 180°F.…

A: According to Newton's law of cooling, the rate of loss of a body is directly proportional to the…

Q: 1. The heat of vaporization of water is 2260 kJ/kg and the heat of fusion of water is 335 kJ/kg. Use…

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Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…

A: Solution of 1a

Q: Try to explain the significance of applying the constant specific heat capacity and mean specific…

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Q: 1. How much heat is required to raise the temperature of 4 gal of water from 60 degrees Fahrenheit…

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Q: 61) A child has a temperature of 101 degrees F. If her total body surface area is 2 m², and she is…

A: 61) Given: Body surface area = 2m2 T=temperature of child =101°F On converting into Kelvin,…

Q: Alligators and other reptiles don’t use enough metabolic energy to keep their body temperatures…

A: The energy required to raise the temperature of the alligator can be obtained as

Q: 9. Which of the following cases (if any) requires the greatest amount ofheat? In each case the…

A: Let the specific heat is c.

Q: Question 4. A glass windowpane in a home is 0.42 cm thick and of 1.0 m x 2.0 m. On a certain day,…

A: Given: thickness L =0.42 cm =0.42*10-2 mdimensions = 1.0m X 2.0 m; area A = 2 m2indoor temperature…

Q: 6. Two students place three ice cubes in a glass of water that was at a temperature. Which of the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: #1. Consider a lake in Vermont at the end of summer. At the end of summer, you can assume the…

A: Transfer of Heat Energy: Heat energy can be transferred from one part of space to the other part by…

Q: A hot metal block in the shape of a cube whose edge has length 12 cm is at temperature 600 K.  At…

A: Since the block is in the shape of the cube We know that , the area of cube is given as  Side of the…

Q: A 120-pound woman working in an office expends about 2.2 3 103 kcal/day,whereas the same woman…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 6. A 55-kg woman cheats on her diet and eats a 540-Calorie (540 kcal) jelly doughnut for breakfast.…

A: Given:- Mass (m) = 55kg Amount of Calorie (C) she eats = 540 Calorie Height of single stair(h) =…

Q: (1b). A wood stove is used to heat a single room. The stove is cylindrical in shape, with a diameter…

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Q: A thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed…

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Q: Q2/ A 4-m-internal-diameter spherical tank made of 1.75-cm-thick stainless steel (k 15 W/m °C) is…

A: Write the given values of this problem. Thickness(t)=1.75 cmk=15 W/m. C°T2=35° C or 308 KTs=35°Cor…

Q: Suppose you pour 0.0125 kg of 20.0°C water onto a 1.1-kg block of ice, sitting in a large bowl,…

A: mass of water= 0.0125 kg initial temperature of water,Twater = 20.0°C  mass of ice block=1.1-kg…

Q: In a physics experiment, a 0.100 kg aluminum calorimeter cup holding 0.200 kg of ice is removed from…

A:

Q: body

A: Given: The temperature of the child = 340 C Outside temperature = 1.50 C Emissivity of child skin =…

Q: 8. How many calories of heat are in 20.0 joules?   a. 83.7 calories   b. 4.78 calories…

A: