a body cools from 80 degrees to 50 degrees in 5 minuts. calculate what time it will take to cool from 60 degrees to 30 degrees?
Rate of cooling
R= ΔT₁/t₁=(80-50)/5=6 degr/min
t₂= ΔT₂/R=(60-30)/6=30/6=5 min
R= ΔT₁/t₁=(80-50)/5=6 degr/min
t₂= ΔT₂/R=(60-30)/6=30/6=5 min