Final answer:
When an object moves with a constant velocity, any change in that uniform motion indicates a shift from constant speed. The kinematic equation can be applied when time is not specified or needed.
Explanation:
Motion with constant velocity: When an object moves with a constant velocity, it means its speed remains the same. For example, a car driving at a steady 60 mph on a straight road.
Change in uniform motion: If the object's velocity changes, it is no longer moving at a constant speed. For instance, if the car accelerates to 80 mph or slows down to 40 mph, it no longer has a uniform velocity.
Kinematic equation: The fifth kinematic equation, v² = v₀² + 2a(d - d₀), relates velocity, acceleration, and displacement in cases where time is unknown.
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