A study showed the average basal metabolic rate of a human to be about 1500 kcal/day (6279 kJ/day). If it were possible to construct a bathtub in which there was no loss of heat to the surroundings, and the tub contained 25 gallons of 23.0 ®C water, what would be the final temperature of the water after an average human immersed their body in the water for 2 hours?

Q: A 37 g sample of copper is at 22°C. If 821 J of energy are added to the copper, what is its final…

A: Given The mass of the copper is m = 37 g = 37 x 10-3 kg. The initial temperature is Ti = 22°C.  The…

Q: 10. If 0.07 kg of ice at 0°C is added to 2.40 kg of water at 34 °C in a 0.16-kilogram aluminum…

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Q: A 7.30-kg steel ball at 15.2°C is dropped from a height of 10.0 m into an insulated container with…

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Q: A 0.650 kg piece of glass is submerged in 820 g of water (c = 4.18 x 103 J/kg°C) at 24°C.  The…

A: Given: The mass (m1) of the glass is 0.650 Kg. The mass (m2) of the water is 820 g. The specific…

Q: An aluminum wing on a passenger jet is 33 m long when its temperature is 29°C. At what temperature…

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Q: The world's most active volcanoes, such as the Kilauea volcano in Hawaii, can disgorge about 5 ✕ 105…

A: Given: The volume of the lava is 5×105 m3. The initial temperature of the lava is 1025 °C. The final…

Q: A long roll of 2-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (r = 7854 kg/m3 and cp = 0.434…

A: Assume that the kinetic and potential energy changes are negligible. The mass flow rate of steel…

Q: An aluminum wing on a passenger jet is  33 m  long when its temperature is  16°C.  At what…

A: the dependence of length on the temperature is ∆l=αl∆T

Q: The 0.75 cm thick windows of a house have a total surface area of 9.0 m². The thermal conductivity…

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Q: • A 256-kg rock sits in full sunlight on the edge of a cliff 5.75 mhigh. The temperature of the rock…

A: The given values are, mr=256 kgh=5.75 mTr=33.2° CVw=6.00 m3Tw=15.5° Ccr=1010 J/kg·Kmw=ρwVw=1×103…

Q: A 5.00-m-long cylinder of solid aluminum has a radius of 3.00 cm. 1) If the cylinder is initially at…

A: Given:length of the cylinder, L = 5.00 mradius of cylinder, R = 3.00 cm = 0.03 minitial temperature,…

Q: The optimum cooling rate for preserving red blood cells is 2* 10³ °C/min. At this optimum rate, how…

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Q: A machinist wishes to insert a steel rod with a diameter of 5 mn into a hole with a diameter of…

A: Given info: Initial diameter = 5 mm Diameter to be achieved by changing temperature = 4.997 mm So,…

Q: An aluminum wing on a passenger jet is 33m long when its temperature is 29°C. At what temperature…

A: Given Data The length of the aluminum wing of the jet is l = 33 m The temperature of the wing is Tw…

Q: A machinist wishes to insert an iron rod with a diameter of 4 mm into a hole with a diameter of…

A: The expansion in area due to the increase in temperature is given by  where, A is the initial area,…

Q: A human Body loses about 360 kJ of heat every hour at 23.4 0C. Assuming that an average human body…

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Q: The heating element in an electric kettle is rated as 2.0 kW. If the water in the kettle is at 100.0…

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Q: A certain double-pane window consists of two glass sheets, each 80 cm x 80 cm x 0.30 cm, separated…

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Q: Two concrete spans of a 220-m-long bridge are placed end to end so that no room is allowed for…

A: Given terms: Length of bridge,      Temperature change, Coefficient of linear expansion,

Q: What is the final temperature of a drink if the initial 0.600 kg of water is at a temperature of…

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Q: A completely sealed container, in the shape of a cube with side panels of length = 0.69 m, is full…

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Q: An air bubble at the bottom of a lake 43.5 m deep has a volume of 1.00 cm. Part A If the temperature…

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Q: The heat flux through a wood slab 52 mm thick, whose inner and outer surface temperatures are 55°C…

A: Thickness (t) = 52 mm Inner temperature (T) = 55oC Outer temperature (T') = 27oCHeat flux (H) = 40…

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: A particular pair of human lungs have a volume of 2.5 L when inflated. At this volume, the…

A: The expansion and the compression of the lungs follows an adiabatic process. During an adiabatic…

Q: What must be value of N if the equilibrium temperature T is 28 °C? Note that the specific heat…

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Q: An air bubble at the bottom of a lake 35.5 m deep has a volume of 1.00 cm3. If the temperature at…

A: Given: At bottom: h = 35.5 m V1 = 1.00 cm3 = 1*10-6 m3 T1 = 6.5 oC =279.5 K At Top: h = 0 T2 = 26.1…

Q: Hristina measures a glass window pane and records the following: 2m high, 2.6 m wide, and 2.6 mm…

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Q: A machinist wishes to insert a copper rod with a diameter of 7 mm into a hole with a diameter of…

A: Given L=2\,\text{mm}=2\cdot {{10}^{-3}}\text{m}L= 7[mm]= 7×10-3[m] \Delta…

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

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Q: A coffee, with a temperature of 60 o C, is pour in a glass with diameter of 10 cm and height of 13…

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Q: One winter day, the climate control system of a large university classroom building malfunctions. As…

A: Given: The volume of cold air is 500 m3. Time duration is 1 min. The temperature change is 10…

Q: The optimum cooling rate for preserving red blood cells is 2* 103°C/min. At this optimum rate, how…

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Q: You draw in a deep breath on a chilly day, inhaling 3.0 L of 0°C air. If the pressure in your lungs…

A: The ideal gas law, PV=nRT   Rearrange the above equation for the number of moles, n=PVRT

Q: а. 340 mL of 95 °C hot water is put into an insulated 140 g (25 °C) copper container. How many grams…

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Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

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Q: The height of the Washington Monument is measured to be 170 m on a day when the temperature is…

A: Initial  temperature (T1) = 38.0°c Initial  length(l1) = 170 m Final  temperature (Tf) = -21.5 °c…

Q: If you have 0.251 m³ of water at 25.0 °C in an insulated container and add 0.112 m³ of water at 95.0…

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Q: A circular disk of an unknown special alloy has a diameter of 0.051 m.  When we increase the…

A: Given : The increase in length, ΔL = +9.3×10-5 m Initial diameter, Lo = 0.051 m The increase in…

Q: An aluminum wing on a passenger jet is 31 m long when its temperature is 21°C. At what temperature…

A: If a metal has a length l in temperature T then when the temperature changes by an amount ΔT then…

Q: Suppose a human body's core internal temperature is 37.0°C, the skin temperature is 34.0°C, the…

A: Given Data Internal temperature of the body is Ti=37.0°C Skin temperature is Ts=34.0°C Thickness of…