94.16: A car of mass m, travelio .y ce r1q2zb :cq-v0w18.tskvmp+r qng at speed v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass, what time would be required to stop a car of mass 2m traveling 1zsr2vcq-8wc:1e b korqq.t0 p.m+yv at speed v?

  96.04: When the velocity of a mov 4o f.nao;oo*zjkw5r. ing object is doubled, its_______is also doubled.oo*5zfow .n.4okrj a;

  96.06: Impulse, Fnet8e4rw6ivyvn ab 7*p21kl ljx3 $\Delta$tis best related to:

  17.05: Which one of the following choices is most closely associatg h2:z; gf c;62kc:lmrvg-m zced with the following observation about an isolated object: “The linear mocz;r m:-v2 ;gfh 2cmg:lcgk6z mentum of the object is constant.”?

  17.21: The change in linear momentum of an object7 ba:e+h6 e-zjzp:/dzb mq/ tax3 hp4a is always in the same direction as the3- x/m pdhaaj q+ z:bzzethp:b e46/7a

  95.08: How long must a 100 N net forcebdd mf5t32 w/d5q) eci act to produce a change in momentum of 200 kged 5dd)35 b2ct/fmiwq.m/s?

  95.29: P and Q have the same motgaqtta0)o x6 d9 rt;jbvw)1) mentum. Q can have more kinetic energy than P if i jt;v6a)wb019 ))atdgxt qrtot:

  98.26: A ball with a mass of 0.50 kg and a speed of 6.0 m/s col. y4pec oh;j+fkk);n,u h9pn cvp-v5blides perpendicularly with a wall and bounces off with a speed of u4bjkk h5e ;nnpf.ov, cy9) h; +p-pvc4.0 m/s in the opposite direction. What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a(/ svh,.nor masdz26l height of 4 meters on to a trampoline. The trampoline then bounces her back upward with a spls2 6s nar. mz/ovhd,(eed equal to the speed at which she first struck the trampoline. What is the average force the trampoline applies on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/su91*1+opj2(sthko0nyy fsh s when it has a collision in space. The mass’s speed was unchanged, but the direction of its velocity was alte90*2jtku n s(sosyf oh1py+h 1red 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 strikinl 6djr 5a2w00 og4jfglg a 0.125 kg-baseball is in contact with the ball for a time of 0.03 seconds. The ball travels in a straight line as it agflg4lj 6ra52 0dw0o jpproaches 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 has atotal kinetic 6a,wdhi9gfc-h4 m 6 gdenergy of 100.0 J and an x-component of linear momentum equal to 24.0 kg.m/s. The object is mofgm 6 d6wci9-dha4,hgving in the x-y plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves witqq/pdjg:y 7c2h velocity V, has acceleration a, and is at position (x,y)./qd:pjy2qgc 7 In what direction must the linear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falk4.g8+p pk m (4nl9yxfg5+fxay4bvv lling straight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.6nf4vkgpy+ klx94 4bmgv(l f8 5 ay+xp.0 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 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 downward hits the gro4 t y.0tsd7i*fimma+; w,vzywb--xtn und with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision ztf .*ywwmi;+0a bxi-y7,vsm tt4-dn 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. puctw( j3ndig3 -fjwa29 jt250 kg is being pushed to the right across a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of time, the box has a speed of 4.0 m/s and an acc(3t9j -u 2wcaigj t d3jwpnf52eleration 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 4 e;t q:mv7yimrs2c2 ibeing pushed to the right across a horizontal surface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the follow2;4iysmet c 72:v rimqing choices best represents the magnitude of the linear momentum of the box at this instant?