You whirl a stone in a horizontal circle in such a way that the stone is in uniform circular motion. Which of the following is true for this situation?
A. The magnitude of the stone's velocity does not change.
B. The change in direction of the stone's motion is due to the centripetal force acting on the stone.
C. The stone's speed is constant. The stone is moving with constant velocity.
D. The direction of the stone's velocity changes as it moves around the circle.
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