A particle of mass m=4 kg is projected with a speed of u=10 m/s at an angle of 45∘ with the horizontal. The particle explodes in mid air when it is at the maximum height. One component weighing 1 kg comes to rest after the explosion and the other component of mass 3 kg moves away. Find the distance where the 3 kg mass component strikes the ground from the initial position (projection point). [Take g=10 m/s2]