JEE Main 9 Jan 2020 Shift 2 Solved Paper

A particle of mass m is projected with a speed u from the ground at an angle θ=

π

3

w.r.t. horizontal (x-axis). When it has reached its maximum height, it collides completely inelastically with another particle of the same mass and velocity u

^

i

. The horizontal distance covered by the combined mass before reaching the ground is: