Sample problem 7-3 a projectile(射弹) of mass9,.8 kg is launched from the ground with initial velocity of 12. 4m/s at an angle of above the horizontal(Fig 7-11) At some time after its launch, an explosion splits the projectile into two pieces. One piece of mass 6. 5ka, is observed at 1, 42s after the launch at a height of 5.9m and a horizontal distance of 13. 6m from the launch point. find the location of the second fragment at that same time CM mISample problem 7-3 A projectile(射弹) of mass 9.8kg is launched from the ground with initial velocity of 12.4m/s at an angle of above the horizontal (Fig 7-11). At some time after its launch, an explosion splits the projectile into two pieces. One piece of mass 6.5kg, is observed at 1.42s after the launch at a height of 5.9m and a horizontal distance of 13.6m from the launch point. Find the location of the second fragment at that same time.  54 → 0 v 0 • CM • • m1 m2