Thursday
April 17, 2014

Homework Help: Physics

Posted by Tim on Tuesday, April 30, 2013 at 8:33pm.

A person is standing outdoors in the shade where the temperature is 22 C. (a) What is the radiant energy absorbed per second by his head when it is covered with hair? The surface area of the hair (assumed to be flat) is 180 cm2 and its emissivity is 0.84. (b) What would be the radiant energy absorbed per second by the same person if he were bald and the emissivity of his head were 0.63?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - a person standing on a moving escalator is moving relative to another ...
McCalculus - I am confused: Two math students erect a sun shade on the beach. ...
physics - Can you please help me with this question? A person is flying through ...
Calculus - Two math students erect a sun shade on the beach. The shade is 1.5 m ...
Physics - I need to know whether the position of the CG is higher, lower, or at ...
Physics - I need to know whether the position of the CG is higher, lower, or at ...
algebra/trig - A person is standing 50meters away from a target whos center is ...
math - When a person is swinging the amplitude (the swings"s distance above it's...
physics - Persons A and B are standing on a board of uniform linear density that...
physics - A person is standing at the edge of the water and looking out at the ...

Search
Members