13.47: Which one of the*6m mqn,nc,wh following choices best represents the magnitude of the angular moment ch 6,nq*mm,wnum of the Earth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of the following ch/ eex+.b4kk ;atzsh y7:)btjjoices best approximates the magnitude of the Earth’s angular momentum (expressed in base MKS units) asso/ay.xk ee 4j;hbt +b)t7sk zj:ciated with its orbit around the Sun?

  11.40: A 2.0 kg particle travels at a constant speed of 5.0 miw6g* wd ,v h;nh 1egg:ez0+sf/s along the line shown in the figure. Whatf 0eh*h dwi6e: wg1g s;vzg+,n is the magnitude of the particle’s angular momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicy1: i pjljv 9ks(kmbh;ngxys5)+2drj(kzqx1/cle directed due 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 accelldj+1/vkxngz9; ikq5yb(jh k r2xmj :(1ps)s eration 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 radika le49g:3q wpi R and 2R. Each sphere is rotating about a fixed axis through a diameter. Tgl3 94:ek waqphe 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 diskc l7 dkd(tudlo/6o*+zu;js )7wbdo9 ss 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.d79 / 7kwu+;6b clo(ls o )dd*tujdosz 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 angularah(b/ rwwlk40 momentum of a system to be const/rwb (akh 4w0lant?

  01.27: A spinning ice skater yq.onuys2v 2 :can increase his rate of rotation by bringing his arms and free leg cvny2 :u2syq.oloser to his body. How does this procedure affect the skater's rotational momentum and kinetic energy?

  03.32: A figure skater has3tw a*ek ek85g 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 skater hasp5r- xnxzi2-;byc*m6ek w .ra 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, i i3 l yu8oxir4mk9y c.5.-zi cx2zr)vmoves in a circle on a horizontal frictionless table as shown. As the string is pulled very slowly through a small hole in thec)zr42 .x5- 3ucz8.mviiiry ko y9 ixl 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 pivko1c-b l5idg(hwe8/vthc ;.7uc( zbs oted at one end. The rod has mass M=2m, lodk 8sgh/ch- e.t5c7i;uvb wb(l c1z( ength 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, sojrnwc61 m)owu;q(pp k6k)i6s lid disk with mass 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 s6 ur o6pis)m; 61)knw(cwpkqj o 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?