94.16: A car of mass m, traveling at speed v, stops in time t when maximu ac hjkej215pch7k) prw4f.(n tw r0(zm braking force is applire4frck ) 1z(ntpj a 527c.w h(jhkp0wed. Assuming the braking force 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 e q52a-9 vraf8o2o b60nyfyera moving object is doubled, its_______is also doubled.82fae 6rq f rvo-ob9ayn52 ye0

  96.06: Impulse, Fnet h t: b*fse;yv6e(b7ck2gi5tc $\Delta$tis best related to:

  17.05: Which one of the following cho;(w ek i 4ahp3qqr1/t*.ozys nices is most closely associated with the following observation about an isolated object: “The linear momentum of the object is cons(s*hoqz qr . etkp ;/wani143ytant.”?

  17.21: The change in linear m2p;sde oq c2-yomentum of an object is always in the same direction as th;csq - e2dyop2e

  95.08: How long must a 100 N net force act to produrk8o oc,7 ttq9ce a change in momentum of 200 kg.ct to9qk7ro 8,m/s?

  95.29: P and Q have theq89youvjgno 5 a:76md same momentum. Q can have more kinetic energy than P if 7ogv96:5yj ouad 8qmn it:

  98.26: A ball with a mass of 0.50 kg and a speed of 6.0 m/s collides )ke8bz8:x mbud.i 7xzperpendicularly with db :zu )x.7xbzm8ie8ka 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 the ball?

  01.08: A 50 kilogram gymnasy2/ 0gy ol.n1r .gkqo liw5.jit falls freely from a height of 4 meters on to a trampoline. Thew/o.0r1oli y5lkj q.n.ygg2i 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 on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/s when it has a colli xpa a7hcw4m.xwrix 8x;x/0h2sion in space. The mass’s speed was unchanged, but the direction of its velocity was apiw ra8m/xc 4;xa07xh2xhx.wltered 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 th:.k ,oq q7tcnge ball for a time of 0.03 seconds. The ball travels in a straight line as it approaches and then leavqc n7tk:gq ,o.es 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 energyj 0od662aoyhje;uy3v d 0kh (tr f;m 427esvol 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 plany2(d64hm0jr60sv o eotf2a kyl oejuvd 7h3;;e. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point obo*1 x,fwvo:tf0iz lb2ject of mass M moves with velocity V, has acceleration a, and is at position (x,y). In what direction must the lineafvb0twx*o 1 lo:iz2, fr momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straighe3 7vje6c f1nst 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 ground is 0.25 s. Treat g =n1v s7 ejce3f6 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 grohg1dg* ze.6vj; cq h+kund with a speed of 0.90 m/s and then rebou1.*v ;6j+geqh cdzk hgnds 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 a0- gvdfxdp 98t horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of time, the box has a dxt-gd fp 8v90speed 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 horizontanz4; onps3qp; 3 lo4uu zr6xp3l 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 best represents the magnitude of n;q3r nl3 sozu6 p4ozxp4up;3 the linear momentum of the box at this instant?