The total mechanical energy of an object in free fall is the sum of its kinetic energy and potential energy.
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Just before the object reaches the ground, the height (h) is zero, so the potential energy is zero. At this point, the velocity (v) is at its maximum, so the kinetic energy is at its highest. The total energy at ...
The sum of the potential energy and kinetic energy of the object remains constant throughout the fall. This is because the total mechanical energy (potential energy + kinetic energy) is conserved in the absence of air resistance and other external ...
The kinetic energy (KE) of the object at a given instant when its velocity is v is given by 1/2mv². This represents the energy due to the object’s motion.
The total energy of the object at the height h is its potential energy, which is mgh. At this point, the kinetic energy is zero, so the total energy is entirely due to its potential energy.