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Question

Can a body have a constant velocity and still have a varying speed?


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Solution

Explanation:

  1. Speed is a scalar variable, meaning it is merely a number, but velocity is a vector, meaning it has both magnitude and direction.
  2. The speed must remain constant in order to maintain a constant velocity.
  3. A body can maintain a steady speed while changing directions (velocity).
  4. Rather, it can have a constant speed and a variable velocity. For instance, in a circular motion.
  5. An object's velocity can be altered by variation in speed or a shift in perspective. In a uniform circular motion, the direction does not constantly remain the same, but rather shifts.

At the same time, keep the same speed. As a result, the velocity might fluctuate while the speed remains constant. However, the reverse is never feasible.

No, a body's velocity cannot be constant while its speed fluctuates.


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