94.16: A car of mass mbxbfxev nagg0, 7v *) )8ez3nt, traveling at speed v, stops in time t when maximum braking force is applied. Assuming the braking g f),3)agbv0b tn78zvxe*ne xforce is independent of mass, what time would be required to stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of a l)uf ya;+av7d3 tkg 7gfom-3omoving object is doubled, its_______is also doubled.g y fg3k ; vt-3)f+d7alomau7o

  96.06: Impulse, Fne ,qn9g-d oyq rub9/ou2t $\Delta$tis best related to:

  17.05: Which one of the following choices is 6) zb8 4lqe2/yeudu udj6g)nrmost closely associated with the following observation about an isolated object: “The linear momentum of trne)el4 )d/jby6 q82 d6zuuguhe object is constant.”?

  17.21: The change in lineg r 7fhz(m *oxvik939+f5jurt; (wjbcar momentum of an object is always in the same direction as the759 uf*comj (tiwjkzbh;9(fr+ xg 3v r

  95.08: How long must a 100 N net force act to produce o55ymh 3)gaoj a change in momentum of 200 55 g)yohjo 3amkg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic en +unzk q9u,y+svu cs,2ergy than P if iuvs c,sq++n29uz,ky ut:

  98.26: A ball with a mass of 0.5 zq kc/4c-ym.j5f( lsd0 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 magnitudz- j5c(.ymq s/cdlkf 4e of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from amy5e u* 1cpwkimmlfw6r l i;d8 ()i:n1 height of 4 meters on to a trampoline. The trampoline then bouncewp imlil8u c1:id nmf56( eywkr;1*)ms her back upward with a speed 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/s when it has a collisidcft,bf i2 e;ukb+1; ion in space. The mass’s speed was unchan 12tbdecbi+iff ;ku; ,ged, but the direction of its velocity 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 0.125*c8 hg.r-6ptwt2l 4jbvxh1lp 6den f5 kg-baseball is in contact with the ball for a time of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If tgrhblc wfp -4.v*detp6xj2nh 5t 681lhe 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 energy of 100.0 J zm su39e+sx 5iand an x-componesuzmxs 395+i ent of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a poz0fdt1;r sre*m qqv o+(6 6wyrint object of mass M moves with velocity V, has acceleration a, and is at position (x,y). In what direction must the l+e1ws6 ;0( rrzm tqf6rov*dy qinear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.w, 9qajz cao( 87ook.mw z1p*j0 kg falling straight downward hits the ground with a speed of 0.90 m 1(*ojop,8c7w9o.zz awja q km/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 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 f suz1 w;s4+dm: rp4pxialling straight downward hits the ground wid u4mzxs:+p wr4ps 1i;th 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 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 th b xgbtwq2804us w)vfd+ 3i6rke 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 andw43qgurt8bwx d20k6b if+ sv) 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 i10wapl ,5im rn2;ew97cpwt s os being 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 following choile,;w9cpw rmtp0w7i n sa51o2ces best represents the magnitude of the linear momentum of the box at this instant?