29 A shell of mass 200g is ejected from a gun of mass 4kg by

Last updated: 6/24/2023

29 A shell of mass 200g is ejected from a gun of mass 4kg by an explosion that generates 1 05 kJ of energy The initial velocity of the shell is 2 80 ms 1 1 100 ms 1 3 40 ms 1 4 120 ms 1