A 1.0 kg dish fаlls tо the grоund аnd breаks intо 3 pieces. A 0.30 kg piece scatters in the x-direction at 2.0 m/s and a 0.50 kg piece scatters, perpendicular to it, in the y-direction at 1.5 m/s. What is the magnitude of the velocity of the third piece?