Race cars travel around the racetrack shown in the diagram at a constant speed of 45 m/s. Which statement correctly describes what happens to the car's velocity as it travels from... Race cars travel around the racetrack shown in the diagram at a constant speed of 45 m/s. Which statement correctly describes what happens to the car's velocity as it travels from point A to B?
Understand the Problem
The question is asking which statement accurately describes the change in the car's velocity as it moves from point A to B on a racetrack, despite maintaining a constant speed. We will evaluate the concepts of speed, velocity, distance, and displacement to determine the correct statement.
Answer
The velocity changes because the direction changes.
The velocity changes because the direction changes.
Answer for screen readers
The velocity changes because the direction changes.
More Information
Velocity is a vector quantity, involving both magnitude and direction. Since the car changes direction from A to B, its velocity changes, even if its speed remains constant.
Tips
Assuming velocity is constant because speed is constant is a common mistake; remember velocity includes both speed and direction.
Sources
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