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the blood plays an important role in removing heat from th ebody by bringing the heat directly to the surface where it can radiate away. nevertheless, this heat must still travel through the skin before it can radiate away. we shall assume that the blood is brought to the bottom layer of skin at a temperature of 37.0 degrees C and that its outer surface of the skin is at 30.0 degrees C. Skin varies in thickness from 0.500mm to a few millimeters on the palms and the soles so we shall assume an average thickness off 0.740mm. a 165lb, 6 ft person has a surface area of about 2.00 m^2 and loses heat at a net rate of 75.0 w while resting. On the basis of our assumptions, what is the thermal conductivity of this persons skin?
A glucose-winged gull, ascending straight upward at 5.20 m/s drops a shell when it is 12.5 m above ground.
Two small plastic spheres are given positive electrical charges. When they are 15 cm apart, the repulsive force between them has magnitude of 0.220N. what is the charge on each sphere
20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
A technician wraps wire around a tube of length 37 cm having a diameter of 8.3 cm. If the current in this solenoid increases at the rate of 2 A/s, what is the self-induced emf in the solenoid
When a wavelength is 300nm, its stopping potential is 1.10V. When it is changed to 200nm, the stopping potential is 3.06V. What value does this experiment yield for Planck's constant
A bird stands on a dc electric transmission line carrying 3300A (Figure 1) . The line has 2.7×10?5? resistance per meter, and the bird's feet are 3.5cm apart
The wake of a speedboat is 17â?? in a lake where the speed of the water wave is 2.8km/h. What Is the speed of the boat
Ask a A projectile is fired with an initial speed of 66.4m/sat an angle of 37.6? above the horizontal on a long flat firing range. Determine the direction of the projectile 1.32s after firing
The lenses of a particular set of binoculars have a coating with index of refraction n = 1.38, and the glass itself has n = 1.52. what is the minimum thickness of the coating
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
Estimate the distance of GPS satellite from the ground.
A ship's mast reaches to a height of 15 meters above the surface of a 10-meter-deep lake. how long will the shadow of the mast
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