Understanding Non-Zero Velocity vs. Non-Zero Acceleration

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Discussion Overview

The discussion centers on the distinction between non-zero velocity and non-zero acceleration, exploring their meanings and implications in a physical context. Participants share examples to clarify these concepts without aiming for a definitive conclusion.

Discussion Character

  • Conceptual clarification

Main Points Raised

  • One participant seeks an explanation of the difference between non-zero velocity and non-zero acceleration.
  • Another participant suggests that non-zero simply means that a quantity is not zero, questioning if there is a deeper inquiry.
  • A third participant provides an example involving a train, explaining that it can have zero velocity and non-zero acceleration when it starts moving, and later have non-zero velocity with zero acceleration at cruising speed.
  • A later reply expresses satisfaction with the explanations provided, indicating a personal realization about the concept.

Areas of Agreement / Disagreement

Participants appear to agree on the basic definitions and examples of non-zero velocity and non-zero acceleration, but the initial inquiry remains somewhat open-ended without a formal resolution.

Contextual Notes

The discussion does not delve into the mathematical definitions or implications of velocity and acceleration, focusing instead on conceptual understanding through examples.

Maroc
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Not a homework question - Just wondering.

What is the real meaning of non-zero velocity compared to non-zero acceleration like i don't really understand the difference. Anyone care to explain?
 
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Maroc said:
Not a homework question - Just wondering.

What is the real meaning of non-zero velocity compared to non-zero acceleration like i don't really understand the difference. Anyone care to explain?

non-zero *anything* just means that *anything* is not 0. Is there something more you're asking about?
 
Imagine you are on a train. If it is sitting at the station, not moving, that would be a zero velocity AND zero acceleration. The instant it takes off from the station, it will have a zero-VELOCITY, but a non-zero Acceleration. As it continues to accelerate it will have a non-zero velocity AND a non-zero acceleration. Once it reaches it's cruising speed, if there is nothing effecting the train, it will have a non-zero velocity but a ZERO ACCELERATION.

Let me know if this helps.
 
That is perfect guys. I was over thinking the concept.
 

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