13.47: Which one of the hjzzr-9ezg5i8,+l wz following choices best represents the magnitude of the angular momentum of the Earth (expressed in base MKS units) associated with its rotation about its axzrlzwhz9giz5,j-+e 8 is?

  17.37: Which one of the following choices best veg/cy5 ba,m+ approximates the magnitude of the E +/mv cybage5,arth’s angular momentum (expressed in base MKS units) associated with its orbit around the Sun?

  11.40: A 2.0 kg particle travels at a constant speed ofa k 5l8*5wpme h7ze+hf 5.0 m/s along the line shown in the figure. p zheflea 7mw8hk5* 5+ What is the magnitude of the particle’s angular momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed a: w2ms ;o:dol8su*)/ql opkbdue 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 acceleration of the bicycle’s front wheel while it is slowing o;/sb: wo)l :u s*k8 oap2qdmlto rest from Mary’s point of view?

  03.41: Two uniform spheresczmx1+qw-savr g31/m( q gl/w of mass M have radii R and 2R. Each sphere is rotating about a fixed axis through a diameter. The rotational kinetic energies of the spheres are iden/+a3lw mrq m-v (qscg z1gx/1wtical. 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 radius sr. rj5p q 7fauxw1s6-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, w6srpa r q.jxus517-w fhat 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 oxk:;r6c y ,4hc)7ic4a tq ervef a system to be consc7;: cv aiyeh e x,rk64qt)rc4tant?

  01.27: A spinning ice skater -;a)9y/ilseqgpk)ai can increase his rate of rotation by bringing his arms and free leg closer to his body. How does this procedure affect the skater's rotational momeyp eai; k)9/gasqi-l) ntum and kinetic energy?

  03.32: A figure skater has a moment of ine uvmk9/1qun d0rtia 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 9s x0m)jnheyjio / es+mw8 zf**3)aw a,nml4rof $5.0 kg.m^{2}$ 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 jsd l:xq(2ytpl 3(k*mof a string, moves in a circle on a horizontal frictionless 3p *d txylq(kjml(s:2 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 with a thin rod pi3dy +4dy/r;e9;l gd o)ah .-sgwy2 uuyzh(thu voted at one end. The rod hasuey/zlhuh+; tghd2sa-()wg;yr4yo9 dy u3 d . mass M=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 with mass0qp0i uw-fuf5 M and radius 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 iw0fu -pi quf05s established, the disks are spinning at the same rate. What is the angular speed of the disks at equilibrium?