Suppose 170 W of heat flows by conduction from the blood capillaries beneath the skin to the body's surface area of 1.5 m2. If the temperature difference is 0.50 C, estimate the average distance of capillaries below the skin surface.

Q: ames has a mass of 66 kg and his resting metabolic rate is about 106 watts, or about 90 kcal per…

A: Given that:Mass of man, M=66 kgResting metabolic rate, P=90 kcal/hrMetabolic rate in water,…

Q: If the temperature of an object is changed by 20°C, what is the corresponding change in a) Kelvin b)…

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

Q: One end of a 51 cm -long copper rod with a diameter of 5.0 cm is kept at 470 ∘C∘C, and the other is…

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Q: Will the value of specific heat’capacity and specific latent heat of a substance change if the scale…

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Q: A long steel I-beam used in bridge construction has a length of 19.0 m. The beam may be exposed to…

A: Given data: Length of beam is, L=19.0 m. Value of low temperature is, T1=-20∘C. Value of high…

Q: When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by…

A: Given that the temperature at the bottom of the lake is Tb = 40C and at the top it is 100C. The…

Q: If the temperature change ∆T = 30°C between the ends of a rod, what value would this temperature…

A: Let, the temperature changes from T1°C to T2°C between the ends of a rod. The temperature change, ∆T…

Q: A hole in a brass plate has a diameter of 1.20 cm at 20°C. What is the diameter of the hole when the…

A: Given that                    The coefficient of linear thermal expression for a brass is =…

Q: A news report says weather in Jebel Shams reaches a minimum temperature of -4°C. What is th value in…

A: Given data: Temperature in Celsius scale (TC) = -4°C Required: Temperature in kelvin (K) and…

Q: Long cylindrical steel rods (r = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8-cm diameter are…

A: The initial temperature,   The final temperature,

Q: One day you notice that the outside temperature increased by17 F° between your early morning jog and…

A: Temperature, T = 17 F°

Q: Typical temperatures in the interior of the Earth and Sun are about 4000°C and 15 x 106°C,…

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Q: If a blackbody is radiating at T=1330 K at what wavelength is the maximum intensity?

A: According to Wien's displacement law the black body radiation curve for different temperatures peaks…

Q: If a 0.50 km section of straight railroad track made of steel is assumed to behave as a single…

A: Given data:  Original Length (L0) = 0.50 km = 500 m Initial temperature (Ti) = -20°C Final…

Q: The specific heat of copper is 385J/Kg/K. How much energy in Joules is need to heat up a 0.4 kg of…

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Q: The entire surface of Earth receives an average of 430 W/m2 of heat flux from the Sun through…

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Q: Suppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is…

A: The rate of heat transfer by conductionQ=-K.AdtdxQ=-K.A.T2-T1x2-x1Q=50 ; A=1.4 ; x2-x1=2 cm =0.02…

Q: A 6-m-long section of an 8-cm-diameter horizontal hot-water pipe passes through a large room whose…

A: Given: A 6-m-long section of an 8-cm-diameter horizontal hot-water pipe passes through a large room…

Q: The intensity of solar radiation reaching the Earth is 1,340 W/m2. If the sun has a radius of 7.000…

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Q: Water whose temperature is at 100 degrees celsius is left to cool in a room where the temprature is…

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Q: If 0.85km (at 0°) section of straight railroad track made of steel is assumed to behave as a single…

A: Given Data: The length of the section of railroad track is: L=0.85 km=0.85×103 m The initial…

Q: A copper wire 15 m long is cooled from 40°C to -9°C. How much change in length does it experience?

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Q: Suppose 160 W of heat flows by conduction from blood vessels under the skin to the body's surface…

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Q: The rectangular plate has a length of l and width of w. If the temperature increases by ΔT, find the…

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Q: he rate at which radiant energy from the sun reaches the earth's upper atmosphere is about…

A: The radiation energy per unit area is,

Q: In an experiment, you need to cool a 0.25 kg of water from 25 °C to 0 °C. How much ice (initially at…

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Q: If the temperature change AT = 30°C between the ends of a rod, what value would this temperature…

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Q: The water in a fishbowl has an evaporation rate of 0.050 g/s. The heat-transfer rate to the bowl by…

A: Write the given values with the suitable variables. m˙=0.050 g/s=0.050×10-3 kg/sQc˙=+36 W Here, m˙…

Q: The intensity of solar radiation reaching Mars averages about 580 W/m2. a) Assuming the Sun radiates…

A: Given information: Here, IM­ is the intensity at the Mars surface, d is the distance between the…

Q: A sphere of radius 4.3 mm is at 3499 K. Calculate the rate of radiation of energy (in W) by the…

A: Given: The radius of the sphere is 4.3 mm. The temperature is 3499 K. The emissivity is 1.

Q: The temperatures of two bodies measured by a thermometer are t1 = 20 0C ± 0.5 0C and t2 = 50 0C ±…

A: A Thermometer is an instrument used to measure the degree of hotness and coldness of a body. The…

Q: Suppose you want to raise the temperature of a mass m of ice from T0 100 °C. In this problem,…

A: mass of ice (m) = 0.195 kg Initial temperature (T) = -20oC Final temperature = 130o C

Q: If the temperature of the surface of the object is 4 K, then calculate its value in °F.

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Q: A long steel I-beam used in bridge construction has a length of 20.0 m. The beam may be exposed to…

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Q: Suppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is…

A: Given:  thickness, t = 2 cm = 0.02 m  Rate of heat, H = 50 W  Area, A = 1.40 m2

Q: What is the net heat current in radiation of an Ice cube at 0 °C if the surrounding air is at 20°C?…

A: Given Data, Temperature of the Ice cube (Ti)=00C Temperature of surrounding (Ts)=200C Length of ice…

Q: A person in shorts stands in front of a fan that blows 25°C air at a speed of 2.5 m/s. If the…

A: Given :                                   temperature of air = Ta  = 25°C,…

Q: During a cold winter day, wind at 55 km/h is blowing parallel to a 4-m-high and 10-m-long wall of a…

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Q: If a 100 g teacup holds 200 g of tea, its temperature is 82°C, and its surface area is 0.07 m^2, how…

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Q: Suppose that the initial temperature difference between an object and its surroundings is D0 and the…

A: Given :- initial temperature difference between an object and its surrounding = D0…

Q: A 0.03 kg ingot of metal is heated to 300 °C and then dropped into a beaker containing 0.30 kg of…

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Q: A cylindrical surface of radius 22 cm and length 2 mmaintained at a temperature of 148°C is…

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