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Consider a simple pendulum composed of a mass m con-strained by a wire of length l...

Consider a simple pendulum composed of a mass m con-strained by a wire of length l to swing in an arc. Assume r and θ are both variables. Obtain the Lagrange equations and using the λ-method, determine the tension in the wire.

Please resolve the question with λ-method of Hamiltonian danymics.

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