QQuestionPhysics
QuestionPhysics
How can velocity be negative? Explain initial and final velocity.
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Answer
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Step 1I'll explain velocity and its potential negative values in a clear, step-by-step manner:
Step 2: Understanding Velocity
Velocity is a vector quantity that describes both the speed and direction of motion. Unlike speed (which is always positive), velocity can be positive or negative depending on the chosen reference frame or direction of motion.
Final Answer
Velocity can be negative when an object moves opposite to the chosen reference direction, indicating a change in position contrary to the positive direction defined in the problem's coordinate system.
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