F.4 Phy. Questions x 2

a) If the haet produced does not leave Tom's body , what is the rate of increase of body temperature in ℃ per second

b) If the power lost by normal convection , conduction and radiation is 350W , find the minimum rate that Tom's body should produce sweat to maintain his body temperature steady.

( it is given that :
Tom's produce energy - 1.5 kW
90% power converted to haet
the remaining used to support his motion
Tom's mass - 50 kg
specific heat capacity of human body - 4000 Jkg/℃


thx

樓主應該post喺A21板