PHYS 1501Q Chapter Notes - Chapter 17: Angular Velocity
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19 Dec 2017
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Find angular momentum of solid objects and point particles. Conservation of momentum dv = dt m dt d(mv) = dt. = constant p dr p + r dt dp dp dl = + r dt dt. 0 dp dl = r dt dt dl f net rdt. Angular momentum (single particle) r(m r) r(mv) rp (mr ) . Angular momentum (system of particles having the same angular velocity) Lt otal = i m r . Direction for angular momentum - apply right hand rule (to find. Thumb points in the direction of l. *** similar to right hand rule to find . Curl fingers in the direction of rotation. Thumb points in the direction of . 2 i (solid objects) (system of particles having the same angular velocity) . Top, final = bottom, final = final acting between the disks. Net, external = 0 dt dlt otal = 0. Ltop,initial + lbottom, initial = ltop, final + lbottom, final.
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