_'-'1 : LEE'What is problematic, or at least misleading, about this statement of conservation of energy? in What other objects, apart from the hand, would the hot cup of coffee likely be interacting with Via heat interactions? How could we refer to this group of objects collectively? Assuming the hand has warmed up somewhat, what other objects (apart from the hot cup of coffee) would the hand likely be interacting with Via heat interactions? How could we refer to this group of objects collectively