13.47: Which one of the following .,xhis+ 7i;m-egxc s:uxpj9v choices best represents the magnitude of the angular momentum of the Earth (expressed in base MKS units) associated with its rotation about its p 9sj guvieicx,:.-x msh;+ x7axis?

  17.37: Which one of the fo xujbno*;:if3m4 u6ksllowing choices best approximates the magnitude of the Earth’s angular momentum (expressed in base MKS units) associated with its orbi3 b i*6m4uj ofsu:kx;nt around the Sun?

  11.40: A 2.0 kg particle travels at a constant speed of 5.0 m/s along 3-cqp793fs5*aoyor*qjhh ; lfi+gl gthe line shown in the figure. What is the magnitude of the particle’s angulafclq3y;3 h +osil* *f rqj95a o7ghg-pr momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due South. She appliez-*2sgr.t beu3+rc q8e85xn 7z qaswks the brakes quickly bringing the bicycle to rest with the wheels rolling witqga w 3 n.btzrcex7z s+8ur8qke*s25-hout 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?

  03.41: Two uniform spheres of mass M have radii R x7 k6k py6kw9nand 2R. Each sphere is rotating about a f kn9ky6x7pwk6 ixed 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 disks are made of the same material. One disk has r ma7 )p5,xs-t6gjga tiyyd0ukt* rg.+adius R while the og5ptk rsdtmy0 .u g *a-j,y6t7xi)ag+ther 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 momentum of the disks $\frac{L_{2R}}{L_R}$

  17.24: What condition must be met for the angul2my5r,h 9biild22o 6uja 5jd gar momentum of a system to be constan6a2gjyod5dimr j, b 592l2ihut?

  01.27: A spinning ice skater can increase his rat qu7k+ ng s5c:xyic:0be of rotation by bringing his arms and free leg closer to his body. How does this procedure affect the skater's rotational mome0 xs75uyn b:kcgq:c+intum and kinetic energy?

  03.32: A figure skater has a moment n4sc7qfegsz- 2/z y/u *unwh4 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 mom/eul/9z.jh /u 6jnjcnolu(+ r ent 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 hord dkqre:wf5k*2 cd4:e h+m.ndizontal frictionless table as shown. As the string is pulled very slowly through a small hole in the table, which of the following is correct fokh.dkd4nfdemr:q +e2:*wd 5 c r an observer measuring from the hole in the table?

  08.40: A point particle of mass m collidhpkc46pyzr y;d9h/t k-v*4gk3by)bpes with a thin rod pivoted at one end. The rod has mass M=2m, length L , vh3 ) hygkkc b pz4y rpk/t;b496*-ypdand 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 radius R is rotati 2ed: 8pcdfpbtz6 c-5;e8qjy xng 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 equcb cd8z2:jde tqy ;5fe8p-p6 xilibrium is established, the disks are spinning at the same rate. What is the angular speed of the disks at equilibrium?