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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

A lift is accelerated downward with acceleration 'a'. A man in the lift throws a ball upward with acceleration a₀ (as observed within the lift, with a₀ < a). The acceleration of the ball as observed by an observer on the ground (who sees the ball in true free fall) is

Answer: (D)

Solution

In the ground frame, the ball is simply in free fall, with true acceleration g downward. Relative to the downward-accelerating lift (acceleration a), the

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Question ID VK-153185