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Q1. A particle moves in a circular orbit in an attractive potential V(r). Expand Lagrangian to second order about equilibrium coordinates, r_0, phi = wt and find the condition for stability against small oscillations.

Q2. What is the force of gravity between two 1490 kg cars separated by the distance of 33 m on an interstate highway?

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Category:- Physics
Reference No.:- M9170437

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