Physics · Classical Mechanics
The Lagrangian for a particle is given by L = 12m(·r2 + r2·θ2) − V(r). Identify the cyclic coordinate:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1r only
- 2θ only✓
- 3both r and θ
- 4r·θ
Correct answer
θ only
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