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A ball is thrown at with speed v at an angle of 45 with the horizontal inside a train moving forward with acceleration 'g'.

A ball is thrown at with speed v at an angle of 45 with the horizontal inside a train moving forward with acceleration 'g'. If the train is sufficiently high and long, the particle will momentarily be at rest at g V g2 g 2v 8 O The particle will never stop

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