Solve this models an un-damped system on which a force F acts during some interval of time (see Fig. 59), for instance, the force on a gun barrel when a shell is fired, the barrel being braked by heavy springs (and then damped by a dashpot, which we disregard forsimplicity). T, y(0) = y'(0) = 0. k = 1 F =1-tt2 F= 0 " alt="Solve this models an un-damped system on which a force">

y"+y m = 1 - 2 1/7 if 0 I T ift > TT. 0 k = 1 www y(0) = y'(0) = 0. F=1-1/ F=0 TC 440