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NEET 2009 Physics question

PhysicsMotion in a Straight LineNEET 2009

A particle starts its motion from rest under the action of a constant force. If the distance covered in first seconds is and that covered in the first seconds is , then:

Answer: (2)

Solution

A constant force gives a constant acceleration a. Starting from rest, , so . $ = ( = 4

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Question ID VK-090174