Two objects with equal mass m are connected by three springs with spring constant k as shown below. ing The positions of each object, r, and y, are measured relative to their respective equilibrium positions. (Show that the potential energy of this system is U = k(x? - ry + y?). Write down the Lagrangian for this system and use it to find the equations of motion (a) (b) for r and y. Do not try to solve these equations. Possibly useful integration tip: An integral of the form A dr can be solved with the substitution A = r cos u and integrating with respect to u.

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Two objects with equal mass m are connected by three springs with spring constant
k as shown below.
The positions of each object, r, and y, are measured relative to their respective equilibrium positions.
(Show that the potential energy of this system is U = k(a? – ry + y*).
Write down the Lagrangian for this system and use it to find the equations of motion
(a)
(b)
for r and y. Do not try to solve these equations.
Possibly useful integration tip: An integral of the form
A
ap
can be solved with the substitution A =r cos u and integrating with respect to u.
Transcribed Image Text:Two objects with equal mass m are connected by three springs with spring constant k as shown below. The positions of each object, r, and y, are measured relative to their respective equilibrium positions. (Show that the potential energy of this system is U = k(a? – ry + y*). Write down the Lagrangian for this system and use it to find the equations of motion (a) (b) for r and y. Do not try to solve these equations. Possibly useful integration tip: An integral of the form A ap can be solved with the substitution A =r cos u and integrating with respect to u.
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