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 is the energy that an object has due to is motion or position, this can be either kinetic energy or potential energy. Non Mechanical Energy on the other hand is energy that does not fall into the category of energy from position or movement.