13.47: Which one of the foll4j/;q3 bobe0u,6p rqnwrg ffx10 ub5 h+h (lfiowing choices best represents the magnitude of the angular momentum f i1hbo4gub3,qr rj+ l0u5bnxwq6 /( ; 0pfefhof the Earth (expressed in base MKS units) associated with its rotation about its axis?

  17.37: Which one of the following choices best approximates the magnim ov -*zs n 2vg4x6s6gfv4,fuotude of the Earth’s angular momentum (expressed in base MKS units) associated with its orbit arouxgn2sofo*vv4s-uf6gmv, z4 6 nd the Sun?

  11.40: A 2.0 kg particle travels at a constant sp 7qt fag.cgt;; v6zyj4eed of 5.0 m/s along the line shown in the figure. What is the magnitude of the particle’s angularjgatv4c;yf.76 qgz t; momentum calculated from the origin( unit: $kg.m^{2}/s$)?

  11.35: Mary rides her bicycle directed due South. She applies the brakes q;robt x45 9f,iigisi;uickly bringing the bicycle to rest with the wheels rolling without slipping on the ground. Which one of the fo,g;4t5sii 9f riboxi; llowing 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 suvpd,qebw,5 y h*k;-akb0q7and 2R. Each sphere is rotating about a fixed axis through a diameter. The rotational kinetic energies of th 75e kqwdkuhs, b;bp0ayv-*q ,e 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 radius,81j+.f shc nnew lap; R while the other disk has radius 2R. Both disks are rotatjp se n8w.n,;lach+f1 ing 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 angular momentum of a system to bdv1ie 99 ifb9bci2+z qe consti99idvbf+ 1 biecq2z9ant?

  01.27: A spinning ice skater can inc1lcdi aoi q:x9gmw 0ecxn7pz242 6mm8rease his rate of rotation by bringing his arms and free leg closer to his body. How does this procm10dzxlg2m4c:89pwm 7 nxc6qia oe2iedure affect the skater's rotational momentum and kinetic energy?

  03.32: A figure skater has a miazket;52 5xd oment 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 o*naa wq;: s4x4kddq*x f 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 horizontal pr.w ch6g 2l+sckj ) c5whe2:dfrictionless 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 ob .phe52:ccws+d2c)6lwj hgr kserver measuring from the hole in the table?

  08.40: A point particle of c;29zyoeta t ;)y)ftxmass m collides with a thin rod pivoted at one end. The rod has mass M=2m, length L , and moment of iner yz)ex fc ;y9to2tta;)tia $I=\frac{1}{3}ML^{2}$ . 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 rot 0i7u obhri;iq*8q6/o imunq05l/hwqating 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 speed of the d0; l 6imnu58 bqioiiq0/*h/rh qw7uoqisks at equilibrium?