Question
In: Physics
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature...
The emissivity of the human skin is 97.0 percent. Use 35.0 °C
for the skin temperature and approximate the human body by a
rectangular block with a height of 1.64 m, a width of 35.5 cm and a
length of 25.0 cm.
Calculate the power emitted by the human body.
| Tries 0/12 |
What is the wavelength of the peak in the spectral distribution for this temperature?
| Tries 0/12 |
Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, so we don't lose our internal energy so quickly. How much power do we absorb when we are in a room where the temperature is 21.0 °C?
| Tries 0/12 |
How much energy does our body lose in one second?
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Solutions
genius_generous answered 7 months agoRelated Solutions
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature...
The emissivity of the human skin is 97.0 percent. Use 35.0 °C
for the skin temperature and approximate the human body by a
rectangular block with a height of 1.92 m, a width of 39.0 cm and a
length of 28.5 cm. Calculate the power emitted by the human body.
Tries 0/12 What is the wavelength of the peak in the spectral
distribution for this temperature? Tries 0/12 Fortunately our
environment radiates too. The human body absorbs this radiation
with...
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature...
The emissivity of the human skin is 97.0 percent. Use 35.0 °C
for the skin temperature and approximate the human body by a
rectangular block with a height of 1.57 m, a width of 41.5 cm and a
length of 21.0 cm. Calculate the power emitted by the human
body.
Fortunately our environment radiates too. The human body absorbs
this radiation with an absorbance of 97.0 percent, so we don't lose
our internal energy so quickly. How much power do...
A) The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin...
A) The emissivity of the human skin is 97.0 percent. Use 35.0 °C
for the skin temperature and approximate the human body by a
rectangular block with a height of 1.84 m, a width of 30.0 cm and a
length of 24.0 cm. Calculate the power emitted by the human
body.
B) Fortunately our environment radiates too. The human body
absorbs this radiation with an absorbance of 97.0 percent, so we
don't lose our internal energy so quickly. How much...
Part A.The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin...
Part A.The emissivity of the human skin is 97.0 percent. Use
35.0 °C for the skin temperature and approximate the human body by
a rectangular block with a height of 1.56 m, a width of 38.5 cm and
a length of 33.5 cm. Calculate the power emitted by the human body.
B. Fortunately our environment radiates too. The human body
absorbs this radiation with an absorbance of 97.0 percent, so we
don't lose our internal energy so quickly. How...
A balloon filled with helium has a volume of 30.0 L at a pressure of 75 kPa and a temperature of 35.0°C.
A balloon filled with helium has a volume of 30.0 L at a pressure of 75 kPa and a temperature of 35.0°C. What will the volume of the balloon be if the temperature is increased to 67.0°C and the pressure remains constant?
The situations: A) Normal human body temperature is 37°C. Room temperature is more like 25°C. So...
The situations:
A) Normal human body temperature is 37°C. Room temperature is
more like 25°C. So unless it's really hot out,
there is always a temperature difference between your body and its
surroundings. What's going on?
B) You get too cold, and need to warm up. What happens?
C) You get too warm, and need to cool down. What happens?
D) Now answer parts A, B, and C for the cold-blooded animal
(e.g. reptile) of your choice!
For each of...
Describe the layers of human skin, explain some skin details and defenses as well as some...
Describe the layers of human skin, explain some skin details and
defenses as well as some diseases of particular parts.
a. The bubble point temperature of a liquid mixture with a molar composition of 35.0 mol%...
a. The bubble point temperature of a liquid mixture with a molar
composition of 35.0 mol% n-hexane and 65.0 mol% n-heptane at 1.00
atm and the composition (mole fractions) of the vapor in
equilibrium with this mixture.
Find bubble point
Find x Hexane
Find x Heptane
b. The dew-point temperature of a gas mixture with a molar
composition of 30.0% n-hexane, 15.0% n-heptane, and 55.0% air at
1.00 atm and the composition (mole fractions) of the liquid in
equilibrium with...
What role does the skin play in the regulation of body temperature?
What role does the skin play in the regulation of body
temperature?
Backround: A subject was put on a stationary bicycle and their respiration, skin temperature and heart...
Backround: A subject was put on a stationary bicycle and their
respiration, skin temperature and heart rate were measured before
during and after exercising and reaching 80% of their heart
rate.
How do you know a subject reached anaerobic threshold (the point
at which lactate production exceeds the body’s ability to utilize
it, and blood lactate levels start increasing) during exercise?
What physiological markers could we have measured that would have
enabled you to KNOW whether or not your subject...
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