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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A particle starts from the origin and moves along the -axis such that the velocity at any instant is given by , where is in second and velocity is in ms. What is the acceleration of the particle when it is 2 m from the origin?

Answer: (C)

Solution

(since ). Setting : . With :

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Question ID VK-152016