A body originally at 60° C cools down to 40° C in 15 minutes when kept in air at a temperature at 25° C. What will be the temperature of body at the end of 30 minutes?
1
15° C
2
30° C
3
31.42° C
4
61.42° C
A body originally at 60° C cools down to 40° C in 15 minutes when kept in air at a temperature at 25° C. What will be the temperature of body at the end of 30 minutes?