Physics

The correct statement is B: The velocity is changing, but the kinetic energy remains constant.

In uniform circular motion, the speed (magnitude of velocity) of the object remains constant. However, the direction of the velocity vector is constantly changing as the object moves along the circular path. Since velocity is a vector quantity that depends on both magnitude and direction, the velocity of an object in uniform circular motion is changing.

For the kinetic energy

The formula for kinetic energy is

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