Question
Asked Nov 18, 2019
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Shown below is a graph of potential energy as a function of position for a certain particle. Find the three equilibrium points, and decide whether each equilibrium is "stable" or "unstable." Let x1 be the equilibrium point with the smallest value of position. That means that x2 will have the next largest value, and then x3 will be the equilibrium point with the largest value of position. Don't forget units!

I found these questions:

  1. x1 = 1.0 m
    Unstable: Is this equilibrium point stable or unstable?


    x2 = 4.0 m
    Stable: Is this equilibrium point stable or unstable?


    x3 = 7.0 m
    Unstable: Is this equilibrium point stable or unstable?
  2. Assume that the particle is released from rest at x = 6.0 m. The particle will start moving, but it will be bound to a certain region. What are the left and and right bounds (the turning points), xL and xR?
    • xL = 2.0 m
    • xR = 6.0 m

This is my question: Given the initial conditions, what is the maximum kinetic energy the particle can have? 

1
0.5
-0.5
-1
-1.5
6
7
8
-1
1
2
3
5
x (meters)
U (Joules)
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1 0.5 -0.5 -1 -1.5 6 7 8 -1 1 2 3 5 x (meters) U (Joules)

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Step 1

 Given the particle is released from the point x=6 m.

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U, K, U,+K

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Physics

Kinematics

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