Solve for the motion of the particle x(t)

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SUMMARY

The discussion focuses on solving the motion of a particle under the influence of a force defined as F = -(Am)/(y)^3, where y = y_0 - x. The particle begins at rest at y = y_0, and the solution requires the application of energy conservation principles. Participants express confusion regarding the parameters A and m, the dimensionality of motion, and the interpretation of the force equation. The key takeaway is that energy conservation can be utilized to derive the motion x(t) by relating kinetic and potential energy.

PREREQUISITES
  • Understanding of Newton's Second Law (F = ma)
  • Familiarity with energy conservation principles in physics
  • Knowledge of potential energy calculations (U(x) = -∫F(x)dx)
  • Basic understanding of motion in one and two dimensions
NEXT STEPS
  • Study energy conservation in mechanical systems
  • Learn about potential energy functions and their derivations
  • Explore the relationship between force and motion in one-dimensional systems
  • Investigate the implications of force equations in vector notation
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Students in physics, particularly those studying mechanics, as well as educators and tutors looking to clarify concepts related to energy conservation and particle motion.

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Homework Statement


A force acting on a particle is given by:
F = ( -(Am)/(y)^3 ) =( -(Am)/(y_0 - x)^3 )
The particle starts at rest at y = y_0.
Solve for the motion of the particle x(t) BY INVOKING ENERGY CONSERVATION


Homework Equations





The Attempt at a Solution


I have no idea how to solve this question using "energy conservation"

I can put F = ma and then integrate to find x(t). But how will I find x(t) with energy conservation. I know U(x) = - integral F(x) dx. But this does not help either.
 
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Can you post the exact statement of the problem? I find it unclear. For example,
1. What are A and m?
2. Is this motion in one or two dimensions?
3. What is the force written in unit vector notation?
4. Your equation implies that y = y_0 - x. What do you think this means?

Please clarify. You need to help us help you.
 

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