1 A farewell or final appearance, action, or work. 2  The beautiful legendary song sung only once by a swan in its lifetime, as it is dying.
A person converts chemical potential energy into kinetic/mechanical energy when he walks. The chemical potential energy usually takes the form of adenine triphosphate (ATP) st â¦ ored in the body.
Mechanical Energy can be converted to thermal energy by friction, or through through more roundabout manners such as converting mechanical energy to electrical energy and runn â¦ ing the electrical energy via a current through a resistance, forming thermal energy.