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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

Water drops fall from a tap on the floor 5 m below at regular intervals of time, the first drop striking the floor when the fifth drop begins to fall. The height at which the third drop will be, from the ground, at the instant the first drop strikes the ground, will be ( ms)

Answer: (D)

Solution

First drop's total fall time: s. With 5 drops and the 5th beginning exactly as the 1st lands, there are 4 equal intervals in :

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Question ID VK-152092