An explosion blows a rock of mass 500 kg into three pieces

Last updated: 6/10/2023

An explosion blows a rock of mass 500 kg into three pieces Two pieces with masses 200 kg and 100 kg go off at right angle to each other with velocity of 8 m s and 12 m s respectively What is speed of third part O 10 m s 20 m s 28 m s O 14 m s