Engineering Mechanics - DynamicsChapter 12Solution:av2ρ=a180fts2=a'v2'=a'72fts2=Note that the time doesn’t matter here because the speed is constant.*Problem 12-104A boat is traveling along a circular path having radius . Determine the magnitude of the boat’sacceleration when the speed is vand the rate of increase in the speed is at.Given:20 m=v5ms=at2ms2=Solution:anv2=an1.25ms2=aat2an2+=a2.358ms2=Problem 12-105Starting from rest, a bicyclist travels around a horizontal circular path of radius at a speedv= b t2 + c t
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Velocity, circular path, 0.09