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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

From a lift moving upward with a uniform acceleration ms, a man throws a ball vertically upward with a velocity ms relative to the lift. The ball comes back to the man after a time . Find the value of (in second). (g = 10 ms)

Answer: 2 s

Solution

In the lift frame, effective gravity ms. Time of flight

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Question ID VK-152190