Suppose that the average U.S. household uses 14600 kWh14600 kWh (kilowatt‑hours) of energy in a year. If the average rate of energy consumed by the house was instead diverted to lift a 1470 kg1470 kg car 11.3 m11.3 m into the air, how long would it take?     Using the same rate of energy consumption, how long would it take to lift a loaded Boeing 747 airplane, with a mass of 4.10×105 kg4.10×105 kg , to a cruising altitude of 8.92 km8.92 km ?

Q: How much heat must be removed from 5.00 grams of steam at positive 125°C to ice at negative 25°C?…

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Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: e cost of electricity is 8¢ per kW·h, what does it cost to heat 160 L of water for a bath from 9.5°C…

A: Heat required to raise the temperature  Q = mcΔT Mass of 1 L water = 1 kg 1 kWh = 3.6 × 106 J

Q: A woman expends 95 kJ of energy walking a kilometer. The energy is supplied by the metabolic…

A: Given data: The energy spend by walking is E=95 kJ/km. The efficiency is η=35%. The enthalpy of…

Q: How much heat is absorbed by liquid water that weighs 247g as it is heated from 32°C to 64°C? For B,…

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Q: What mass of steam at 100°C must be mixed with 300 g of ice at its melting point, in a thermally…

A: Given Information: Mass of ice, mi = 300 grams = 0.3 kg  Latent heat of fusion , Lf = 333 KJ /kg…

Q: The area of the skin of an adult human being is about 2.10m^2. If the temperature of the skin of an…

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Q: An ice chest contains 3.34 kg of ice at 0 °C. Given a latent heat of fusion of water of 3.34 * 105…

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Q: A person is standing outdoors in the shade where the temperature is 21 °C. (a) What is the radiant…

A: Consider the outdoor temperature that is in shade as be T, the surface area of the hair be A, the…

Q: A swimming pool filled with water has dimensions of 5.01 m x 11.2 m x 1.50 m. Water has density p =…

A: Given: The size of the pool is 5.01 m×11.2 m×1.5 m. The density of the pool is 1000 kg/m3. The…

Q: 300 g of water is heated from 23 °C to 96 °C. How much does its internal energy rise?

A: Given data:  Mass of water is, m=1300 g=1.3 kg. Initial temperature of water is, T1=23∘C. Final…

Q: The quantity of energy Q transferred by heat conduction through an insulating pad in time interval…

A: Given that the quantity of energy Q transferred by heat conduction through an insulating pad in time…

Q: The intensity of solar radiation reaching the Earth is 1,340 W/m2 when the temperature of the Sun is…

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Q: The Earth intercepts 1.27 × 1017 W of radiant power from the Sun. Suppose the Earth, of volume 1.08…

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Q: How much heat is absorbed by a beaker of 148g of water that goes from 16°C to 27°C? (cwater = 4.18 X…

A: Given data mass of water ( m ) = 148 g or m = 0.148 kg Initial temperature ( T1 ) = 16 degree…

Q: A window glass 0.50-cm thick has dimensions of 3.0 m by 1.5 m. If the outside temperature is -10°C…

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Q: If a river having a flow rate of 942 cubic feet per second flows over a waterfall having a height of…

A: Given The flow rate of the river is Q = 942 ft3/s. The height of the waterfalls is h = 14 m. The…

Q: pe at 0.0° C has suf ater Lf= 334 kJ/kg ane

A: Given: The answer is shown as:

Q: Find the energy change of the steam if 1.0 kg of steam initially at 120.0 C is cooled and turned…

A: mass of steam (m) = 1 kg Initial temperature of steam (t) = 120o C

Q: Calculate the total distance traveled (km) for a car with a fuel efficiency of 12 kilometers per…

A: Fuel efficiency is a measure of a how much distance can be carry out per unit litre. Higher fuel…

Q: An aluminum rod is 20.0 cm long at 20.0°C and has a mass of 0.350 kg. If 1.00 x 104 J of energy is…

A: Given,

Q: A person is standing outdoors in the shade where the temperature is 21 °C. (a) What is the radiant…

A: Stefan-Boltzmann law: States that the total energy per second radiated or observed by a black body…

Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: t volume (in m3) of natural gas would it take to generate 5.54 x 108 J of energy if the energy…

A: Given:- if the energy content of natural gas is 36.6 MJ/m3 = 3.66 x 107 J/m3 natural gas would it…

Q: a two storey house in Portland, ME with dimensions 8.5m by12.0m with a height of 7.0m is heated…

A: Given: Cost of 1 kWh is = 0.11 INR. Consumption by room in one hour = 1000 W. length of room (l) =…

Q: A swimming pool filled with water has dimensions of 4.76 m ✕ 10.2 m ✕ 1.70 m. Water has density ρ =…

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Q: You recently bought an aluminum (C = 0.9 J/g-K) kettle with a mass of 2 kg. You used the kettle to…

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Q: A swimming pool filled with water has dimensions of 5.01 m ✕ 12.2 m ✕ 1.74 m. Water has density ρ =…

A: Given: The dimensions of the pool are 5.01 m×12.2 m×1.74 m. The density is 1000 kg/m3. The specific…

Q: atings of microwave ovens are listed in watts (1 watt = 1 J/s). How many seconds will it take a…

A: We know that we have given that the volume  872 ml and power 1000 watts of soup from 27 °C to 74 °C…

Q: a rectangular pane of glass 24.5 cm by 13.6 cm is 7.67 mm thick. if it's 55 c on one side of the…

A: Recall Q/t=KA(T1-T2)/L

Q: 5m ^ 2 black roof on a night when the roof's temperature is 30.0 degree celcius and the surrounding…

A: We know that the rate of heat transfer by the radiation is given as  Qt = σeA[ T24-T14]…

Q: 5.3 kilograms of water at 100°C is converted to steam at 1 atm. Find the change in internal energy…

A: Given data: - The mass of water is m = 5.3 kg. The latent heat of vaporization is L = 2.26 x 106…

Q: An aluminum rod is 20.0 cm long at 20°C and has a mass of 350 g. If 10 000 J of energy is added to…

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Q: Imagine that a hypothetical life form is discovered on our moon and transported to Eirth. On a hot…

A: Extra terrestrial :Heat lost = Mass * latent heat of vapourisation  = 339 cal/gm * 259 gm = 87801…

Q: of copper whose mass is 15 kg has a specific heat capacity 390 J/kgx and is warmed by Coco Martin so…

A: Mass of copper, m=15 kg Specific heat capacity, C=390 J/kg OC CChange in temperature = 5 o C

Q: What mass of steam at 100∘C∘ must be added to 1.30 kgkg of ice at 0∘C∘ to yield liquid water at 18…

A: Given Mass of ice is m=1.30 kg Heat of fusion for water is Lf= 333 kJ/kg Heat of vaporization is…

Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…

A: Given: The heat transfer from the sun is Q=1 kW/m2. The time of evaporation is t=1 h. The area of…

Q: A fresh hot cup of coffee is 84°C and the room temperature is 20.3°C.  After 5 minutes, the…

A: Given: Initial temperature of coffee T1 = 84 oC. Final temperature of coffee T2 = 72.7 oC. Time…

Q: How much energy would have to be added to 516grams of water to heat it from 14.0°C to 87.0°C?…

A: Given data:   Mass (m) = 561 g Initial temperature (Ti) = 14.0°C Final temperature (Tf) = 87.0°C…

Q: Approximately how much energy would be required to raise the temperature of the top layer of the…

A: The expression for heat energy is. Q=mc∆Tm=ρ·VQ=ρ·V·c∆T

Q: How much energy is required to convert 0.10 kg of water at 100∘C to steam at 100∘C? Heat of…

A: Given data The mass of the water is m=0.10 kg The temperature of the water is Tw=100oC The…

Q: 50 W/m2 energy density of sunlight is normally incident on the surface of a solar panel. Some part…

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Q: On a warm afternoon (26°C), James is making fruit punch while the ice is melting (0°C) in a bowl.…

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Q: One calorie is defined as:     A. the SI unit for thermal energy   B. One thermal energy unit…

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Q: What approximately is the power of the thermal radiation?

A: We can consider human body as nearly black body as it has the emissivity=e =0.98 The power or energy…

Q: 39 A 40.0kg bamb is. mouige at jO.0 m/S 10.0m/S in the ngpakioe x-direcon when it explodes into3…

A: Let m denotes the mass of the bomb, m1, m2, and m3 denotes the mass of the pieces, v denotes the…