13.47: Which one of the following choices best repybc k9.c+was :du)5jp resents the magnitude of the angular momentum ofj5p w c )y+u:cbadks9. the Earth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of the fo2j7 hvcxi,tq u qq59.7r; dlnqllowing choices best approximates the magnitude of the Earth’s angular momentum (expressed in base MKS units) associated with itsx d95n;q.2qrq tvjq7ilc7 h,u orbit around the Sun?

  11.40: A 2.0 kg particle travels at a constant speed of 5t1tuzs25 j;yi1cp4 r 6kuy+ni.0 m/s along the line shown in the figure. What is the magnitude of the particle’s angular momentum calculated from the origin( unk iucu+ 4n yj5sr 6t1it;pz1y2it: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due South. She applies the brakes quev..qx soogn* ux/n3 u p+mx,;ickly 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 g3s o+npunxu* x.q./eo,vmx;acceleration of the bicycle’s front wheel while it is slowing to rest from Mary’s point of view?

  03.41: Two uniform spheresh 4)is vvd:*rd of mass M have radii R and 2R. Each sphere is rotating about a fixed axisr v viddsh*:)4 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 c2,p l-zsmcgr c u-u b2(mf0b:disk has radius R while the other disk has radius 2R. Both disks are rotating about a fixed axis perpendicular to the disk, l2- b0gp-,m:(ufu2mccs cbrzthrough 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 tscy qw*(2pj6-s 3ft,c5s idxb he angular momentum of a system to be consta6cqsj3fpd sw-5s*(t,y2c b ix nt?

  01.27: A spinning ice skater can qm ec4.ul hmy7qz; x,g89hee5 increase his rate of rotation by bringing his arms and free leg closer to his body. How does this procedure affect the skater's 9q 5m eq ;,he78hz4ucg yemx.lrotational momentum and kinetic energy?

  03.32: A figure skater has 8a:c k-f drt1ta 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 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 uu 4-j c8(abrs-g/hsj$5.0 kg.m^{2}$ 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,2lfu8/ketw )f h- m2u 2ocob5r moves in a circle on 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 obsohft2lor8beku )2 m f- wcu25/erver measuring from the hole in the table?

  08.40: A point particle of mass m collides wig- lapovnds u27kj)a lxl6+-*th a thin rod pivoted at one end. The rod has mass M=2m, length L , al +nus--x7 dpla2 a6 )vklj*gond 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 rao.bbmf4c.qsm thdv 10 rzg7 73dius 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 spez4q 7 ts.1g7f vom.m0cdbh3rbed of the disks at equilibrium?