Motion Similar to Popcorn Popping: Explained

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Discussion Overview

The discussion revolves around understanding the motion similar to that of popcorn popping or the action of a blender, focusing on the mechanics involved in such motions. Participants explore the nature of the motion, including its classification and the forces at play.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant suggests that the motion is simple projectile motion, where an impulse force from the popping kernel or spinning blade accelerates the object, which then falls back under gravity.
  • Another participant inquires about specific equations that could represent this motion, questioning whether it relies solely on impulsive momentum equations.
  • A later reply states that after the impulse, the motion is governed by the equation \(\ddot{x} = -g\), reiterating the projectile motion aspect and suggesting further research.

Areas of Agreement / Disagreement

There appears to be some agreement on the classification of the motion as projectile motion, but the discussion includes questions about the specific equations and principles that apply, indicating that multiple views on the details remain unresolved.

Contextual Notes

Participants have not fully explored the assumptions behind the equations mentioned, nor have they clarified the conditions under which the motion occurs, such as the initial conditions or the nature of the impulse.

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I have been trying to understand motion similar to that of popcorn popping, or a blender popping things up when blending them. If someone could explain this motion it would be greatly appreciated.
 
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It is simple projectile motion. The popping kernel, or spinning blade provides an impulse force which serves to accelerate the object. Once it is air borne it falls back under the influence of gravity.
 
Is there any specific equation which would represent this or is it just using simple impulsive momentum equations
 
After the impulse the the motion is governed by:

[tex]\ddot{x} = -g[/tex]

once again it is projectile motion... do a web search.
 

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