94.16: A car of mass m, traveling at speed v, stops in time t whqwyj0mr svr,v1b ( g0 d7i.4njen maximum braking force is applied. Assuming the braking force is independent of mass, what time would be required t j r7q,j.0vygibrm1 sv04(nw do stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of a moving object is doubled, its_______is also sxel/iv3 6xr / uwh(3- 8kxosadoubleda3x6x38/xwso- ur (v lkh/ esi.

  96.06: Impulse, Fnet xaap(m y )/t(l 8m.;0 qoef3id5ngjdm$\Delta$tis best related to:

  17.05: Which one of the following choices is most closely associated weoi*p, rgb1;mc, jjv1 ith the following observation about an isolated object: “The linear momentum of the object ievc*jr g,im1, o1;jp bs constant.”?

  17.21: The change in linear moment4hdzlbm)x .;w (vlbh,um of an object is always in the same direction ad hbl() 4zlvhb.;,wxms the

  95.08: How long must a 100 N net force act to produce a (8;z48gxygpm/1fdcx5 vnh)as l2hv achange in momentum of 200fga8;a8 /zg2nchp md x (l 1)y5svxhv4 kg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic energy thanq9q hj:ex vf 6kxdj+37 P if itjjfq+v dxh6xe93:k 7q :

  98.26: A ball with a mass of 0.50 )r1wov)gn.qv 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 acting on.g)r won)v1q v the ball?

  01.08: A 50 kilogram gymnast falls freely from a height wk 2:)7-wrsz+vr gtay of 4 meters on to a 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 trampoline applies otrw+7sy :)g vr-az2wk n the gymnast?

  17.27: A 2.0 kg mass moves at 10. ps7tyspg2vv5 *fc9 h00 m/s when it has a collision in space. The mass’s speed was unchanged, but the direction of itgfst h*975sc0 vy2 ppvs 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 kg-baseball is in contact with the ball for a tlnoip30l b;h 6ime of 0.03 seconds. The ball travels in nbo60pilhl3 ;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 has atotal kinetic ene e-y9pjjfp bx eg qy,ei+ 2+8ku4k*z5ergy of 100.0 J and an x-component of linear momenu*pq+ke2-e 95 bz4eypykfge+j i8,xjtum 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 point objectm 5tzsag-d n1) of mass M moves with velocity V, has acceleration a, and is at position (x,y). In what dirsda)5-t 1z nmgection must the linear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downward hits t29a9iebzgnv+f9 9p7jp uhh6j a*r ( czhe 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 ground is 0.25 s. Treat g = c2urjp99a*hifg(z j6 7b9avh 9n zpe+ 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 dapf0sn/ u(f(wfm/u/ t ;l(nis ownward 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(ws; / lfu n/ uat0sm(pn(iff/ 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 acros*vr 96 lkjg7x)7yn-b hhthz8w s a horizontal surface while a constant frictional force of 8.0 N 6h*wglrjb89nxzy )-k hv7ht7 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 acros jutq5st8*5((xju-a 3 vi/r ecw4nv mebiv5 .os a horizontal suruo-i xv b(wn4vu5ee*cv58/smtq3a ri. 5 j(j tface. 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 best represents the magnitude of the linear momentum of the box at this instant?