13.47: Which one of the following choices besfo, pnrw7plt-jq9 /7 tt represents the magnitude of the angular momentum of the Earth (expressed in base MKS units) associated with its rotation abo7ow/p,tf lpn-j7 rt 9qut its axis?

  17.37: Which one of the following cho+:(d) mlpi1v8*myada 6u kywtices best approximates the magnitude of the Earth’s angular momewmm yk(va8+6yaiu d) : 1lp*dtntum (expressed in base MKS units) associated with its orbit around the Sun?

  11.40: A 2.0 kg particle travels at a constant speed of 5.0 m/s along the li 9rox9mw w,,rene shown in the figure. What is the magnitude of the particle’s angular momentum calculated99,rwwx r om,e from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due Souvxeuv7s x0un x ;97k.dth. 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 iuv0xe x;kn 7. 79xsvdut is slowing to rest from Mary’s point of view?

  03.41: Two uniform spheres of mass M have radii R and 2R. Each spcg; y6uete)6 hhere is rotating about a fixed axis through a diameter. The rotational kinet)c t6e eyh;g6uic 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/arz:3bc1a ths1 t.s a 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, r b aaa1shtt1.c:z3/s 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 me f5 *-egthsm1d- qj63:nougmomentum of a system to be constanmo h*3 s 5f: -n-eutggejmq16dt?

  01.27: A spinning ice skater can increase dyq6jlz1c9- +x tmne7 his rate of rotation by bringing his arms and free leg closer to his body. How qtd+ z-9c6nlxyj me17 does this procedure affect the skater's rotational momentum and kinetic energy?

  03.32: A figure skater ha 7v nhbaa-*ajy :ewpm7-e*n p*yv/9xcgu1y0q s a 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 skate;25/vvng.as*mb dzf 3 ye3 3m*dftcelr has a 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 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, movehzb .urbtbsm3- ud209s 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 fbb0md shz2br u .9ut3-or an observer measuring from the hole in the table?

  08.40: A point particle of mass m collides with a thin rod pivoted at one e esq:4jg z h1ee,g )*uhqyy*z(nd. The rod has maj)syy q, ez e1g(ug*4:ez*h hqss 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 mass M and radius R is rotating on a fixed, fr( knf6 sfo+i)is3 b0glictionless 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 equilibrium? n ls)f(bsi ik o3g+60f