Energy Balance in Human Body Radiation · CAP 2009 #3
Physics · thermodynamics
Problem
We know that a person emits about 500 W of radiation. We also know that a person sitting still uses about 100W of chemical energy. Where is the rest of the energy mainly coming from?
(a) Heat conducted from the air into our body.
(b) Convection of the heat.
(c) Radiation from objects around us.
(d) The energy, emitted by the body does not have to have a source.
(e) Burning fat that we have accumulated previously.