Final answer:
The Four Phases of Energy Interaction in a squat clean can be paralleled to the energy transformations of a javelin throw. The throw involves the conversion of chemical energy to kinetic and potential energy, and finally, the transformation to sound and heat upon impact.
Step-by-step explanation:
The question you've asked about the Four Phases of Energy Interaction of a squat clean may be better understood through examples of energy transformation. A similar concept is the evolution of energy exchanges for an object, such as a wad of clay, thrown into the air or a javelin thrown by an athlete. Here's an explanation using the example of the javelin:
- Phase 1: When the athlete picks up the javelin, they are inputting chemical energy from their muscles, converting it into kinetic energy as they start to run.
- Phase 2: As the athlete throws the javelin, that kinetic energy is then transferred to the javelin, giving it kinetic energy for its flight and also some potential energy based on its position above the ground.
- Phase 3: The javelin reaches its maximum height (the apex of its trajectory), where kinetic energy is at its lowest and potential energy is at its maximum.
- Phase 4: As the javelin falls, the potential energy is converted back into kinetic energy. Upon impact with the ground, the mechanical energy is dissipated mostly as sound and heat, and some deformation energy if the javelin sticks into the ground.
The initial energy exerted by the athlete ultimately ends up being transferred to the environment in various forms. No energy is lost; it is merely transformed and transferred, in accordance with the law of conservation of energy.