A 6 0 kg mass is moving due east with a uniform speed of 7 0

Last updated: 6/15/2023

A 6 0 kg mass is moving due east with a uniform speed of 7 0 m s It suddenly explodes into two parts having masses of 4 0 kg and 2 0 kg Just after the explos the 2 0 kg mass has a velocity of 12 m s due east relative to the Earth s surface What is the speed of the 4 0 kg mass relative to the Earth s surface 6 0 m s 4 5 m s 9 0 m s O 12 m s 24 m s