JEE (Advanced) 2013 Paper-1 Question 7

Question 7

A particle of mass m is projected from the ground with an initial speed $$u_0$$, at an angle $$\alpha$$ with the horizontal. At the highest point of its trajectory, it makes a completely inelastic collision with another identical particle, which was thrown vertically upward from the ground with the same initial speed $$u_0.$$ The angle that the composite system makes with the horizontal immediately after the collision is

Create a FREE account and get:

  • Free JEE Advanced Previous Papers PDF
  • Take JEE Advanced paper tests


Register with


Boost your Prep!

Download App