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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A ball dropped from the 9th storey of a multi-storeyed building reaches the ground in 3 s. In the first second of its free fall, it passes through storeys, where is equal to (take ms)

Answer: (A)

Solution

Total height m over 9 storeys, so each storey

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Question ID VK-152123