Engineering Mechanics - DynamicsChapter 15Explosion Wg⎛⎝⎞⎠v0W2g⎛⎝⎞⎠v2x+=v2x2v=v2x80.00fts=0W2g⎛⎝⎞⎠v1W2g⎛⎝⎞⎠v2y−=v2yv1=v2y12.00fts=Kinematics hvAsinθ()22g=h74.53 ft=Guesst1s=Given0g−2⎛⎝⎞⎠t2v2yt−h+=tFindt=t1.81 s=dv2xt=d144.9 ft=Problem 15-46The projectile of weight Wis fired from ground level with an initial velocity vAin the directionshown. When it reaches its highest point B it explodes into two fragments of weight W/2. Ifone fragment is seen to travel vertically upward, and after they fall they are a distance d
This is the end of the preview. Sign up
access the rest of the document.