Question

29. Two identical simple pendulums A and B are hanging side-by-side in such a
way that the bobs of the two pendulums are just in contact. Pendulum A is
raised to the horizontal level of the suspension plane keeping its string just
taut and released. It undergoes a head-on elastic collision with bob B. If​

Answer 1

Coulomb's electrostatic force acting on 2 charged particles is equal if they are kept isolated.

i.e it doesn't matter which bob has more charge, the force acting between them will still be the same and thus they will make the same angle from the vertical.

From Coulomb's law, the force acting on both the particles will be

F = kQq/r^2

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Answer 2

Answer:

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