On a mine site a rock is exploded On explosion rock breaks

Last updated: 6/19/2023

On a mine site a rock is exploded On explosion rock breaks into three parts Two parts go off at right angles to each other These two parts are 1 kg and 2 kg moving with velocity of 12 m s and 8 m s respectively If third part has mass of 5 kg its speed would be 1 6 m s 3 12 m s 2 4 m s 4 5 m s