13.47: Which one of the follofw *. ept850dtcueg+awing choices best represents the magnitude of the angular momentum of thew0 fuatc5t+pe*ge. d8 Earth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of the following choices best approx2iw 84ky:xc7 f-ux clmimates the magnitude of the Earth’s angular momentum (expressed in base MKS units) associated with its orbit aroc kuc8 xx2 7:4yl-fimwund the Sun?

  11.40: A 2.0 kg particle travels at a constant speed of 5.0 m/s alhkkl(c8s*q6 -kh yq5long the line shown in the figure. What is the magnitude of the particle’s angular momentum calculated from the 8 k5qlsqy- kl6(h hk*corigin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due South. Shp . 1eaozvm9tp*54jd fe 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 acceleration of the bicycle’s front wheel while it is slowing to rest from Mary’s point of view?avtp 9zo *4.pd1mejf5

  03.41: Two uniform spheres of mas9 filai:d iqkf*2 a0b/s M have radii R and 2R. Each sphere is rotating about a fibff9*ia i20/ak:idl qxed axis through a diameter. The rotational kinetic energies 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 dis1idskzzy: - wl*+ 24q8ngps bsks are made of 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 is the ratio of the angular momentumd qs*: nsykgi4 8p2bl+1-zzws of the disks $\frac{L_{2R}}{L_R}$

  17.24: What condition must bepbui qg1ofuq ( .z(u1)z7 ttj3 met for the angular momentum of a system to be cons 73 ( zq1ziouut()tfupbgq1.jtant?

  01.27: A spinning ice skater can increa3ukv 3nbs*x zss /u+-ese his rate of rotation by bringing his arms and free leg closer to his body. How does this procedure affect the skater's rotational momees* vuu3 3k/ xnz+-ssbntum and kinetic energy?

  03.32: A figure skater has a momeu8xcypaz i,.:nt 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 )4-d e6otmejinmniz ri;k69o gq4*s1inertia 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 horizontal fdk otk x9aim8/9pga2*rictionless 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 /d gxak2o tak9i *p9m8the table?

  08.40: A point particle of mass m collides with a thin rod pivoted at one endr(sh hpgy ;+r2. The rod has mass M=2m, leng2(srhy;p + grhth 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 rd 79/l zj21q6 nec4o,vc trjpqadius R is rotating on a fixed, frictionless platform with constant angular speed ω0 about a fixed axis through its center. A secoj cr,t1/ojn6 epqq d24clv7z9 nd 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?