Engineering Mechanics - DynamicsChapter 14φ30 deg=L2m=g9.81ms2=Solution:T1V1+T2V2+=0MgLcosθ1()−12Mv2−=v2gL1cos1−=v4.429ms=TMg−Mv2L⎛⎜⎝⎞⎟⎠=gMv2L⎛⎜⎝⎞⎟⎠+=T784.8 N=4FABcosT−0=FABT4cos=FAB226.552 N=Problem 14-73Each of the two elastic rubber bands of the slingshot has an unstretched length l. If they arepulled back to the position shown and released from rest, determine the speed of the pellet ofmass Mjust after the rubber bands become unstretched. Neglect the mass of the rubber bands
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