94.16: A car of mass m, traveling at speed v, stops in time hi*l/2 )ptk. 5yd)l i ihnoui0t when maximum braking force is applied. Assuming the braking force is inio0y2tuki )5/ idih p *lh)nl.dependent of mass, what time would be required to stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of aq1.ld 8jl thr+ z rn)q(a6h3ln moving object is doubled, its_______is also doubled zlt(+arq .8h6ljhqn)1nlrd3.

  96.06: Impulse, Fnet cp3/m-lkop-n1h u (kxxw3d0q $\Delta$tis best related to:

  17.05: Which one of the followingifpmqmju b)4rt(l 82g w,9pc+ choices is most closely associated with the following observation about an isolated object: “The linear momentum ,qw+pcl (mf rit2p8 bj)9m4ug of the object is constant.”?

  17.21: The change in linear momentum oob+r dnw;uz k2ch01d6 e-+ rlgf an object is always in the same direction as thekr0d;u d h+wrncz 21b6+o-elg

  95.08: How long must a 100 N net force ajhppbk5h0bc*w0 + 6f vct to produce a change in momentum of 200 khwjp* +0b56kfcp b0vhg.m/s?

  95.29: P and Q have the same momentum. Q can )g+ nu8j1 q.8 r,jgagaeoux1ihave more kinetic energy than P if ir)axggqj iuj1oeu8. , 1ang8+t:

  98.26: A ball with a mae 2 u:3 f, 0l(kuq4kx9jljvdtdss of 0.50 kg and a speed of 6.0 m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magnitude of the impulse actv u ,ke 3 kfjj2lt09(4lduxqd:ing on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 meters on to li(45 xrwb5q0f.u tkja trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first struck the trampoline. What is the average force the 0qu4brlj (fi5w5tx.ktrampoline applies on the gymnast?

  17.27: A 2.0 kg mass :q xuik8ahye7d)z12xkd4e .c moves at 10.0 m/s when it has a collision in space. The mass’s speed was unchanged, but the direction of its veloch2k)i4:xcaeqxykuzded 8 71. ity was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?

  05.13: A bat striking a 0.12 8 wqh6+r7csf. h/nu0dx0 -u7 bew1rlxcor zb35 kg-baseball is in contact with the ball for a time of 0.03 seconds. The ba/x w31zhl8w+e0brcrr07 n qc-xhuob.u 67 sfdll travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity of-6.5 m/s, what is the magnitude of the average force acting on the ball?

  15.43: An object of mass 4.0 g hasl7vl2uv x g1(1hv-a gb atotal kinetic energy of 100.0 J and an x-component of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is tbl(va1 ggl1uxv h7-v 2hey-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves with velocity V,vw t xl)-uwp .0gq x*tbl45zn-,nyw +q has acceleration a, and is at position (x,y). In what direction must the lw)l qux wtvn,--b tnl.5y px+gw0zq4*inear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling str msl8qa i r7t0z8mu.:r9g j1bv2dbf /6 rendi(aight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the grod8s1fat j mq8u6 brgrd z:/rn blmi.vi 27e(09und is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

  10.33: A rubber ball of mass 2.0 kg falling straight downw1nqc w x. a;waf3l kml)xzfn +em227x2ard hits the ground with a speed of +me;lkn 2 f lzx xxc7aw.)2f1n23qmwa0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

  14.12: A box of mass 5.0 kg is being pushed to the right across .q+k/pr sg1sfa horizontal surface while a constant frictional force o rsfs1+qkg./ pf 8.0 N acts on the box. At some instant of time, the box has a speed of 4.0 m/s and an acceleration of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

  15.12: A box of mass 12.0 kg is being pushed to the right across a horizo(fv ,lhn-tz e7s:*jcj ntal surface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the following choices bev jtfl:- 7hj*, zns(cest represents the magnitude of the linear momentum of the box at this instant?