39 Two bottles A and B have radii R and R and B A B B A B

Last updated: 6/14/2023

39 Two bottles A and B have radii R and R and B A B B A B heights h and h respectively with R 2R and h 2h These are filled with hot water at 60 C Consider that heat loss for the bottles takes place only from side surfaces If the time the water to cool down to 50 C is t and to for the bottles A and B respectively then t and to are B best related as a t t c t 4t b t 2tA B d t t 2