Solve the below problem:
Q: A 6-lb shell moving with a velocity - v0k explodes at point D into three fragments which hit the vertical wall at the points indicated. Fragments A, B, and C hit the wall 0.010 s, 0.018 s, and 0.012 s, respectively, after the explosion. Determine
(a) The weights of the three fragments,
(b) The initial speed v0.
