At what rate does it emit energy by radiation?

[acg7160]

Homework Statement

A horseshoe has a surface area of 60 cm^2, and a blacksmith heats it to a red-hot 930 C. At what rate does it emit energy by radiation?

Homework Equations

The Attempt at a Solution

I'm pretty lost here...

 

[rock.freak667]

Do you know of blackbody radiation?

 

[acg7160]

No I do not.

 

[acg7160]

Can anyone help me?

 

[Kevin_Axion]

Have a look here: http://en.wikipedia.org/wiki/Kirchhoff's_law_of_thermal_radiation.

 

[acg7160]

I did not get it in time, thanks anyway.