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<blockquote data-quote="AxT4430" data-source="post: 7928089" data-attributes="member: 643600"><p>1. The problem statement, all variables and given/known data</p><p></p><p>A particle of mass m moves in the following (repulsive) field</p><p></p><p>U(x) = α/x², α &gt; 0,</p><p></p><p>with α a constant parameter. Determine the (unique) trajectory of the particle, x(t), corresponding to the initial conditions of the form</p><p></p><p>x(t0) = x0 &gt; 0,</p><p></p><p>x'(t0) = sqrt(2m(E−α(x0)2))</p><p></p><p>2. Relevant equations</p><p></p><p>^</p><p></p><p>3. The attempt at a solution</p><p></p><p>mx''(t) = -d/dx U(x)</p><p></p><p>= - (2α/x³)</p><p></p><p>= 2α/x³</p><p></p><p>=&gt; x''(t) = 2α/mx³</p></blockquote><p></p>
[QUOTE="AxT4430, post: 7928089, member: 643600"] 1. The problem statement, all variables and given/known data A particle of mass m moves in the following (repulsive) field U(x) = α/x², α > 0, with α a constant parameter. Determine the (unique) trajectory of the particle, x(t), corresponding to the initial conditions of the form x(t0) = x0 > 0, x'(t0) = sqrt(2m(E−α(x0)2)) 2. Relevant equations ^ 3. The attempt at a solution mx''(t) = -d/dx U(x) = - (2α/x³) = 2α/x³ => x''(t) = 2α/mx³ [/QUOTE]
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