94.16: A car of mass m, traveling/rcz.f ;icsl .m*n;2u 8lsqyo at speed v, stops in time t when maximum braking force is applied. Assuming the braki8qor; ;/* 2y.nli.z cl mscusfng 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 velocityzhw xwjjx+r.:8cu q0x6i1x v / of a moving object is doubled, its_______is also doubledxhw. jxi8xj:q r x60+cv/uzw1.

  96.06: Impulse, Fneu0qa 0wrqipsk2 o *bz )4aw3,st $\Delta$tis best related to:

  17.05: Which one of thyzk2ahk .oynnk4i3 *:a.ak.j v 9 sa(be following choices is most closely associated with the following observation about an isolated object: “The linear momentum of9*kvykna: yn..hiokaz s 3aj42ak (.b the object is constant.”?

  17.21: The change in linear momentum ofima3seh hml u7r 63k:8)r8qsj an object is always in the same direction as the q7kru:hmms8)hi jl8e 3 6a3sr

  95.08: How long must a 100 N net force act to produce a a7sfcmp;1:cr change in momentum of 200 kg p1sf mcr:7ca;.m/s?

  95.29: P and Q have the same momentum. Q can have more kinep4ij59zv 3jb7 hcqm7lvn fr0;tic energy than P if it:i7 hzvf3rcm7 vq90jjnp 54;bl

  98.26: A ball with a mass *f9e-hkmm, vqof 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 oppositm ehq9 -vk*,mfe direction. What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram g 7r nol*tz*4k (oo)tyoymnast falls freely from a height of 4 meters on to a trampyrontok t4 *lz7o* o()oline. 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 on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/s when it has a collisiuhhat4q;l9.l uwi6yty 2:6e qr* ti+bv(gk1don in space. The mass’s speed was unchanged, but the direction of its velocity was alte+ha y :.yu ldlb(61kw4 vt9r6 2uqiget*htq i;red 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-b mleh/iehcuc a684 n0,aseball 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 the ball arrives at the bat with a velocity c mh ie4c8auln h/60e,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 atotaa6 :b.lb ;3nk,yf(ihbc q;x tol 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 they-cy:a(k 6tfl; o.,q;ibh bbnc3xomponent of the object’s linear momentum?

  13.05: At an instant of time t, a point object of ma moa6de4wd(y :n(badb:yk ; e/ss M moves with velocity V, has acceleration a, and is at position (x,y). In what direction must the linear momentum of the object be dyo ;w4ya(db/a md6e k: (ebd:nirected at this instant?

  10.32: A rubber ball of mass 2.0 kg falling stra:rzaz(taiu(6qie 9c .x7 (urzight 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 =t6z( z9ic exi zr:q.ua(ar7u( 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 d9/t*rl7ym :h pkfhgq 5ownward 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 groundm/gh*qf yrl579:kh tp 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 5.0cq9)0/ m+ f8r cl)mfeieue) bv kg is being pushed to the right across a horizontal surface while a constant frictional force of m)l0f9ecv e8qbi m)+r)/f euc 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 g3qa)icx zzhsvdho1v;/eq e4 84vwf9s49/ wv.0 kg is 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 choices best represents the magnitu348s;ow/a9vdwvhzhv)f1x cq/4z e9 is qe gv4de of the linear momentum of the box at this instant?