Compare the total energy radiated by your body in one day (expressed in kilocalories) to the energy in the food you eat. Why is there such a large discrepancy?
Q: The average temperature of the atmosphere has increased by 0.4°C over the last thirty years.…
A:
Q: The human body, while at rest, produces heat energy at a rate of about 117 W. How much sweat (in g)…
A: The heat energy evaporated per minute is, Q=Qt˙=117 W1 minute60 s1 minute=7020 J
Q: A 6-kg mass is attached to a spring whose stiffness constant is 150 N/m. The damping is negligible.…
A: Using conservation of energy, amplitude is, 12kA2=12mv2+12kx2A=x2+mv2k=2 m2+6 kg0.5 m/s2150…
Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…
A: A pound of body fat is equivalent to 3500 calorie. time required =total energy/ rate of energy loss
Q: What is the percent increase in the energy radiated by a person with a average body temperature of…
A: Given : Normal temperature of person, T1 = 37oC = 273 + 37 = 310 K Temperature rises to, T2 = 40oC =…
Q: The average rate at which energy is conducted outward through the ground surface in North America is…
A:
Q: Suppose your favorite TV scientist has equal masses of frozen water (ice) and liquid water. If she…
A: Latent heat is the heat required to convert one gram of a substance to change its phase. Its SI unit…
Q: At the surface temperature of the sun T = 5800 k, diameter R = 7 * 10^8 m, and at the average…
A:
Q: How do I calcualte the surface area of my body times and the energy being radiated per surface area…
A: We need to formulate how to calculate the surface area of your body times and the energy being…
Q: The surface of the Sun is at a temperature of 6000 K. At what rate is energy radiated from the Sun…
A: Concept: To Determine the Energy radiated by the sun striking the Earth will be determined using…
Q: At a surface temperature of the sun T-5800 k and a diameter R = 7 * 10 m and at the average distance…
A:
Q: Consider two metal plates separated by air. A temperature gradient separating the plates gives a…
A: Thermal energy transfer = kA t△θ /△x temperature gradient k△θ /△x = 24 j/ m2s A= 1X10-4 S…
Q: Given that the temperature at the surface of the sun is 5800 K and assuming the sun to be a…
A:
Q: A bulb delivers 33 W of radiant energy when its filament is at 1900 °C. If the temperature increases…
A:
Q: That same 0.005 kg is dropped off of the top of the Empire State building, which is about 443 meters…
A: Answer: Given data: Mass (m) = 0.005 KgHeight (h)=443 mFinal Velocity (v)= 5.28 m/sInitial…
Q: Calculate the amount of radiation emitted for a unit surface (1 m2) for a hot sidewalk in Birmingham…
A: Write the given values with the suitable variables. A=1 m2T=53 °C=326 Kε=0.82 Here, A and T are the…
Q: The average temperature of the atmosphere has increased by 0.4°C over the last thirty years.…
A:
Q: Two rooms in the top floor of a building are heated by the same heating system such that an internal…
A: Step 1: We are given two rooms, A and B both heated to maintain an internal temperature of +22oC The…
Q: At the surface temperature of the sun T = 5800 k, diameter R = 7 * 10^8 m, and at the average…
A:
Q: Question 3: Air at (temperature of 400 °C and a pressure of 1.0133 kN/m²) flows with a velocity of…
A: Given: The temperature at air is 400 °C and a pressure of 1.0133 kN/m²) flows with a velocity of 50…
Q: A person uses a Nissan Leaf to commute from home to work 6.0 miles each way in a city (5 days a…
A: Distance from home to work is 6.0 miles. Distance from work to home is 6.0 miles. Total distance…
Q: The human body, while at rest, produces heat energy at a rate of about 116 W. How much sweat (in g)…
A: Given data The heat energy is given as Q˙=116 W. The latent heat of vaporisation is given as Lv =…
Q: A 1400 kg car moving at 115 km/h could be converted entirely into heat. What amount of water could…
A: The objective of the question is to find out the amount of water that can be heated from 25 degrees…
Q: At "low" temperatures, the heat capacity of some materials varies with temperature as 12π¹ NkB C (T)…
A:
Q: Assume that the amount of energy needed to raise the average temperature of the atmosphere by 0.4°C…
A: Write the energy needed to increase the temperature of the atmosphere. E=2×1021 J Write the energy…
Q: During a bout with the flu an 80-kg person ran a fever of 39 oC. Consider that the specific heat of…
A: The amount of heat energy to increase the temperature is H = m c (T' - T) Where, m is the mass, c…
Q: Suppose a person is covered head to foot by wool clothing with average thickness of 2.25 cm and is…
A: Given data: Average thickness, d=2.25 cm=2.25×10-2m Energy transferred, Q=3000 J Time interval, t=2…
Q: A. The planet Venus is different from the earth in several respects: (a) it is only 70 % as far from…
A: A. Given,The planet is 70% as far from the sun, the solar constant σs is 2800 W/m2.The cloud…
Q: In the heating seasons the heat loss from a building (and thus the heating cost) is strongly…
A:
Q: The human body, while at rest, produces heat energy at a rate of about 100 W. How much sweat (in g)…
A:
Q: How much heat (in joules) is required to raise the temperature of 24.4 kg of water from 19 ∘C to 88…
A:
Q: The next four questions use this description. Our Sun has a peak emission wavelength of about 500 nm…
A: Given:- The wavelength λ = 500 nm The radius r = 7 x 105 km The dark-adapted eye has a pupil…
Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…
A:
Q: Two sphere made of same material have radii in the ratio 2: 1. If both the spheres are at same…
A: To find-Ratio of heat radiated=?Given-Ratio of radii r1r2=21Temperature of both bodies is same,Ratio…
Q: Suppose that the 800 W of radiation in a microwave oven is absorbed by 250 g of water in a very…
A: Given: The power of radiation is 800 W. The mass of water is 250 g. The initial temperature is 20°C.…
Q: How much heat does it take to vaporize 800 g of liquid nitrogen (N 2)?
A: The expression for the heat to vaporize is,
Q: Assume, the average radiation intake of the planet earth increases by 120 W/m² momentarily. The…
A:
Q: The next four questions use this description. Our Sun has a peak emission wavelength of about 500…
A:
Compare the total energy radiated by your body in one day (expressed in kilocalories) to the energy in the food you eat. Why is there such a large discrepancy?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
