Which of the following is the correct definition of mechanical energy? a. energy stored in chemical bonds of molecules b. energy an object has because of its motion or position c. energy of an object due to the random motion of its atoms and molecules d. energy resulting from the flow of charged particles, such as electrons or ions

The correct answer is B. Energy an object has because of its motion or position

Explanation:

In physics, the mechanical energy of a body or object is determined by the position and/or motion. Due to this, the mechanical energy includes both the kinetic energy (energy during movement) and the potential energy (energy according to location or stored energy). Additionally, the mechanical energy as other types of energy is constant if no forces are acting over it in an ideal system, but in reality, this type of energy is influenced by external forces, for example, friction. Thus, the correct definition of mechanical energy is " Energy an object has because of its motion or position".

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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