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A 4-kg projectile travels with a horizontal velocity of 600 m/s before it explodes and breaks...

A 4-kg projectile travels with a horizontal velocity of 600 m/s before it explodes and breaks into two fragments A and B of mass 1.5 kg and 2.5 kg, respectively. If the fragments travel along the parabolic trajectories shown, determine the magnitude of velocity of each fragment just after the explosion and the horizontal distance where segment B strikes the ground at D.

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