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JEE Main 2024 Physics question

PhysicsMotion in a Straight LineJEE Main 2024

A body falling under gravity covers two points A and B separated by 80 m in 2 s. The distance of upper point A from the starting points is m (use g = 10 ms⁻²)

Answer: 45

Solution

Let the time to reach A be t. Then 80 = (gt)(2) + ½g(2)² = 20t + 20, so t =

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Question ID VK-016586