physics

A pendulum is suspended inside a car vertically suddenly the car is given a horizontal acceleration 'a'.The maximm angle through which the pendulum deflects is ?answer is 2tan inverse 'a'divided by g(acceleration due to gravity please solve this i have given lot of time but not having any clue to solve this.

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asked by zoha
  1. The pendulum has velocity at arctana/g

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    posted by ,m

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