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 divided into two different types of energies. Kinetic energy is the form of energy that causes movements. Potential energy is the form of energy that occurs due to the placement of the object.