Pictures of things that are recognizable as other objects. For example, a picture of a cloud that happens to look like a whale sword fighting a leprechaun.
[University Physics: Lagrange and Hamiltonian course] For the start of question 3c is it sufficient to check the poisson brackets of Q_0 and P_0?
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[University Physics: Lagrange and Hamiltonian course] How would I go about solving this question on canonical transforms?
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[University Physics: Lagrange and Hamiltonian course] How would one go about starting this question on approximating this expression near equilibrium?
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