13.47: Which one of the following cho d5u50ga*sgn8bhe *ojices best represents the magnitude of the angular momentum of the Earth (expressed in base MKS units) associated wiuh*8dg g*0jns 5bae5oth its rotation about its axis?

  17.37: Which one of the followingd(q7 ldj a+u- :km/otc choices best approximates the magnitude of the E/tkld dm7:jq(+ - uaocarth’s angular momentum (expressed in base MKS units) associated with its orbit around the Sun?

  11.40: A 2.0 kg particle v(-ji 0yqbxg- travels at a constant speed of 5.0 m/s along the line shown in the figure. What is the magnitude of the particle’s angular momentum calculated from the-q0x ig -bv(yj origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed dim xpsar;e :p*9*(+tii)q nt due South. She applies the brakes quickly 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 angular accel(9 p)nid*:i+ mt;apxeqi st*reration 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 R and 2R. Each s*rau6b ua-t go 146kzgphere is rotating about a fixed axis through a diameter. The rotational kinetic energies of the spheres aao- k *z166r4ubgugt are identical. 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 oftr7 9gimnt-48n(zo zy the same material. One disk has radius R while the other disk has radius 2R. Both disks are rotating about a fixed axis perpendicular to the disk, through its center. Given that the disks have equal kinetic energy, what isiny 9n8rtmt(gz- 74zo the ratio of the angular momentum of the disks $\frac{L_{2R}}{L_R}$

  17.24: What condition must be met for the angular momentum0kecarb *:b eo7wkap-/ bho2. of a system to be cons*/:ha por7beew2o-0.cbab kk tant?

  01.27: A spinning ice skater can increase his rate of rotation by bringing hi( ou/xbq,cl 7ls arms and free leg closer to his body. How does this procedure affect the skater's rotational mome/xoqcl bu,7 l(ntum and kinetic energy?

  03.32: A figure skater has a xv ci20,d 8jvdr8r 7qumoment 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 change in the skater's angular momentum as she brings her arms in tight to her body?

  0.33: A figure skater has a moment of inertia of g, cxuaw 9u4*4pcp sd9algmmkp07n/ ($5.0 kg.m^{2}$ 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 o a9(e(k9kal+f hgi): s:ge lfnn a horizontal frictionless table as shown. As the string is pulled very slowly through a small hole in the table, which of the following is correct for an obs e:ls9iek+gh)l(f:kfa9 nga (erver measuring from the hole in the table?

  08.40: A point particle of mass m collides with a thin rod pivoted at qu/q843u+ u.wxsixkl/tos /a one end. The rod has mass Ml+u4 saq /k/x w/3o8u.ux tsiq=2m, 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 wityat-(1 pozg5dh b/sq3g(2 s fmh mass M and radius R is rotating on a fixed, frictionless platform with constant ang-fg2 s(opgd/mbqtz1as3 h5( y ular 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 of the disks at equilibrium?