13.47: Which one of the following choiff v zj..o zs);9/nadrces best represents the magnitude of the angular momentum of the Eava)/z jffrsdon.9; .zrth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of the following choicesek;zhaerl 9g6.cm 4- r3fk1yo best approximates the magnitude of the Earth’s angular momentum (expressed in base ol ;g1k9r.4yme6eaz kcf-3r hMKS units) associated with its orbit around the Sun?

  11.40: A 2.0 kg particle trazs/cvvl 72f:o +wwk/2ig eh*pvels at a constant speed of 5.0 m/s along the line shown in the figure. What is the m2w g+2fshw/z/7pc:okvei vl*agnitude of the particle’s angular momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle diretu.q5sivf6e 9cted 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 qtu 65fsiv9e.following choices best represents the direction of the 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 h1k h ;sfs*v+bitb s8m+ave radii R and 2R. Each sphere is rotating about a fixed axis through a diameter. The rotational kinetic enmv1+; b+stks ifb *8shergies of the spheres 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 of the same material. ihv.okb*;e yp*5g u. +m-zhaz One disk has radius R while the other disk has radius 2R. Both disks are rotating about a fixed axis perpendicular top o-.;u *ih gy5mvz.zae+kbh* 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 tjs l5tp2c2)2 qgad o-uo be con2p j- uqo2gas)d5 2tlcstant?

  01.27: A spinning ice skater can inrklp8bmgylc ,09 x/-mpx8-jtcrease his rate of rotation by bringing his arms and free leg closer to his body. How does this procedure affect the skater's rotational mom-m,x9ymlk bc g8t8pjl0/x-rp entum and kinetic energy?

  03.32: A figure skater has a moment of inert2gz9*o)zb:cpt p)3 (umnyi xwia 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 mom2vfxirt:,y7 kwgh:/ 9 qbtkmp0e 2z .eent 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 a horhh9keme;n;+vp o/ ;9cr ;lxu2:izy egizontal frcry /x;v up ;i;;eg2ho9l:em z9e+nhk ictionless 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 observer measuring from the hole in the table?

  08.40: A point particle of mass m collides wit j8.w4c7g) ptnly2xsth a thin rod pivoted at one end. The rod has mass M=2m, length L , and moment of iner g4ptjln8sxt y.c 7w2)tia $I=\frac{1}{3}ML^{2}$ . 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 radius R is rotating on a fvf*fzpvdiqx62lw,ya4 :0 ck g uj/x- :ixed, 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 of the disks at equilibx/j:lkuypw:c4-x6zaf2fg d*v, q0 ivrium?