Spring Potentialand Kreti Evry Use the three springs, and three masses for each spring KIspring Mass Angle X1 X2 AX X3 Ulspring KE (max) Ulgrav) |% error of cart A measured Eq 5 in ( kg ) ( m ( m ) ( m ( mv's ) ( m ) Eq 3 (eq.4) Ug-Us ( N/m )