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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A ball is dropped from a bridge at a height of 176.4 m over a river. After 2 s, a second ball is thrown straight downwards. What should be the initial velocity of the second ball so that both hit the water simultaneously?

Answer: (D)

Solution

First ball (free fall): s. Second ball is thrown at s

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Question ID VK-151913