Ballistic Pendulum L H M+mi d If we measure the forward displacement d, not H (L-H) L-H H=L-√2-d Hd Physics 121: Lecture 16, Pg 9Physics 121: Lecture 16, Pg 9 Ballistic Pendulum If we measure the forward displacement d, not H: H L L L L m M M + m v d L H d L-H L d (L H) H L L d 2 2 2 2 2 = + − = − −