Energy is the capacity of doing work. When a ball is thrown straight up, the point at which the ball has the most energy is at every point.
The law of conservation of energy-
According to the law of conservation of energy, energy can neither be created nor be destroyed, it can only transform from one form to another.
Now, we know that when the ball is thrown it has some kinetic energy, and as the ball is slowing down due to gravity force, the kinetic energy of the ball is converted to the potential energy. And the same happens when the ball is falling back. therefore, the energy of the ball is the same everywhere.
Hence, when a ball is thrown straight up, the point at which the ball has the most energy is at every point.
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