Discuss the reason that the term centripetal is used and why it is accurate to say that an object is accelerating even if it is moving at a constant speed as it goes around a circle.

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A: 2.50   m/s is right ans.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!