1) In which of the following situations would the overall flow energy be from object X to object Y?
Object X is at 25°C; Object Y is at 15°C
Object X is at 25°C; Object Y is at 25°C
Object X is at 25°C; Object Y is at -15°C
Object X is at 25°C; Object Y is at 50°C
Object X is at 25°C; Object Y is at 100°C
ottar?