Engineering Mechanics - DynamicsChapter 17α8g25r2μk−()=a8g252k−=Problem 17-86The slender rod of mass m is released from rest when θ= 0. At the same instant ball B having thesame mass m is released.Will B or the end A of the rod have the greatest speed when they pass thehorizontal?What is the difference in their speeds?Given:045 deg=Solution:At horizontalf0 deg=Rodmgl2cos13ml2=3g2lcos=ω223g2lsin0sinf−=3glsin0sinf−=vAl=3gl
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