Lecture-14-1 - Angular Angular(Rotational)Kinematics...

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ngular (Rotational) Kinematics Angular (Rotational) Kinematics Lecture #14 – Ch. 8 Physics 125–Fall 2010 Dr. Mike Melnichuk mmeln@umich.edu Office: 2409 Randall Lab phys125lecture@umich.edu ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.
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Uniform Circular Motion In Uniform Circular Motion the vector velocity v changes nly its direction without changing its agnitude. G only its direction without changing its magnitude. This is enough to generate an acceleration in the system c gg y called centripetal acceleration a G pointing towards the center of curvature of the motion's path: 2 p T v G G c a is the tangential velocity T T v r v = G r c a is the radius of curvature r
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Nonuniform Circular Motion In Nonuniform Circular Motion the vector velocity v changes its direction and its magnitude generating two accelerations. G The change in v's magnitude generates a Tangential Acceleration G having same or opposite direction to the one of vector's velocity.
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Lecture-14-1 - Angular Angular(Rotational)Kinematics...

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