When the kinetic energy is lowest, potential energy is the highest.
At maximum height of ball, the potential energy is the highest and the kinetic energy is zero.
The total mechanical energy of the ball remains conserved at each point of motion.
The kinetic energy of an object is associated with its motion. It can be related to the mass and velocity as
K.E = 1/2 mv²
where, m is the mass and v is the velocity of the object.
Given is a ball being thrown straight up in the air in terms of kinetic and potential energy. The ball rises up and comes back down.
When the ball thrown up, it has kinetic energy because it is provides the velocity. But at maximum height, it has highest potential energy only and zero kinetic energy as the velocity becomes zero.
When ball falling down, again it gains kinetic energy and potential energy decreases. The mechanical energy always remains conserved.
Thus, When the kinetic energy is lowest, potential energy is the highest.
At maximum height of ball, the potential energy is the highest and the kinetic energy is zero.
The total mechanical energy of the ball remains conserved at each point of motion.
Learn more about kinetic energy.
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