Why cloth and leather are used to make safety clothing for people who work with heat. A.they are both good sources of heat. B th
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Answer:a) 20.944rad/s (b) 12.57m/s (c) 800rev/min²
Explanation:
Answer:
The thermal power emitted by the body is
The net power radiated is
Explanation:
From the question we are told that
The length of the assumed human body is L = 2.0 m
The circumference of the assumed human body is
The Stefan-Boltzmann constant is
The temperature of skin
The temperature of the room is
The emissivity is e=0.6
The thermal power radiated by the body is mathematically represented as
substituting value
The net power radiated by the body is mathematically evaluated as
Where A is the surface area of the body which is mathematically evaluated as
substituting values
=>
=>