13.47: Which one of the following choices best represents the ma,lp6 1buf :aeggnitude of the angular momentum of the Ear1:u l g6pa,bfeth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of tfb3gyz0 (qn r;he following choices best approximates the magnitude of the Earth’s angrg03y fzq( nb;ular momentum (expressed in base MKS units) associated with its orbit around the Sun?

  11.40: A 2.0 kg particle r*zjeigz4 ebb0/n,tpik8nsz 8y nv+: 9o--z gtravels at a constant speed of 5.0 m/s along the line shown in the figure. What is the magni9o yn-sb np* k/j8 :i4bne 8zitv0rgz+,ezz- gtude of the particle’s angular momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due South. She applies the brakes quickl8yvj :u cw 79)3vknjiadnj5b/y bringing the bicycle to rest with the wheels rolling without slipping on the ground. Which one of the following choices best represents the direction of the cn:8 vkd 7/ywjb9 j5junavi)3 angular acceleration of the bicycle’s front wheel while it is slowing to rest from Mary’s point of view?

  03.41: Two uniform spheres of mass M have radii ekfk :d3,vv.ab+yw: 1r)bk kk (d4xkoR and 2R. Each sphere is rotating about a fixed axis through a diameter. The rotational kinetic energies of the spheres are iden :b+ (yaevwv ,r1x)fkdkb 3o:kk4k.d ktical. What is the ratio
of the magnitude of the angular momenta of these spheres? That is, $\frac{L_{2R}}{L_R}$=?

  05.49: Two solid disks are made of the same material. One disk has radius R whilx2rx*g3bkco2t mc*z/ s6 / dyqe the other disk has radius 2R. Both disks are rotating about a fixed axis xky3szo*6dmcq2 b* /crtg/ x2perpendicular to the disk, through its center. Given that the disks have equal kinetic energy, what is the ratio of the angular momentum of the disks $\frac{L_{2R}}{L_R}$

  17.24: What condition must be met for the angular momentum of a system tv w0tg0 l1- a3a(mmuqolamk1bku43 4no be cons1 -a(3wakolng4m mt qu u3lk410amv0btant?

  01.27: A spinning ice skater kiz14yr0cr)t can increase his rate of rotation by bringing his arms and free leg closer to his body. How does this proced yckirz0)1rt 4ure affect the skater's rotational momentum and kinetic energy?

  03.32: A figure skater has a moment of inert(fp:hz iz3 z*7mck8hl ia of $5.0 kg.m{2}$with her arms outstretched. If she begins a spin at 2.0 rad/s with her arms outstretched and then brings her arms in tight to her body, her rate of spin increases to 8.0 rad/s in 3 seconds. Friction and wind resistance can be considered negligible.
What is the change in the skater's angular momentum as she brings her arms in tight to her body?

  0.33: A figure skater ,(ji.l h+ nciumvw3j+ has a moment of inertia of $5.0 kg.m^{2}$ with her arms outstretched. If she begins a spin at 2.0 rad/s with her arms outstretched and then brings her arms in tight to her body, her rate of spin increases to 8.0 rad/s in 3 seconds. Friction and wind resistance can be considered negligible.
What is the skater's angular acceleration as her arms are moved in during the three second interval?

  06.23: An object m, on the end of a string, moves in a circle on :v+x c7auuss2 a horizontal frictionless table as shown. As the string is pulled very slowvuxuc+: 7ssa 2ly through a small hole in the table, which of the following is correct for an observer measuring from the hole in the table?

  08.40: A point partic3*3quljcj2 hlx0 )pb+h ef)hmle of mass m collides with a thin rod pivoted at one end. The rod has mass M=2m3qmxh juj*f)le 0h2c+) hb3pl, length L , and moment of inertia $I=\frac{1}{3}ML^{2}$ . The particle moveshorizontally with speed V when it hits the bottom of the rod and sticks to it. What is the speed of the particle immediately after collision?

  09.42: A uniform, solid disk with mass M and rad;uuw xi dn9 +ssj0cqc-:q9v s6ius R is rotating on a fixed, frictionless platform with constant angular speed ω0 about a fixed axis through its center. A second uniform solid disk of mass 2M and radius R/2 is placed from rest directly on top of the first disk so that the centers of the disks line up. When equilibrium is established, the disks are spinning at the same rate. What is the angular speed osqc+j:s9 n qcw 0i-xuuv;s d96f the disks at equilibrium?