10 pts Question 3 A 20 kg body is moving through space in the positive direction of an x axis with a speed of 200 m/s when, due to an internal explosion, it breaks into three parts. One part with a mass of 10 kg, moves away from the point of explosion with a speed of 100 m/s in the positive y direction. A second part, with a mass of 4 kg, moves in the negative x direction with a speed of 500 m/s. What is the magnitude of velocity of the third part? 1525.5 m/s 2565.3 m/s 1013.7 m/s 528.7 m/s