What is the SI unit of momentum?lymn8,n n7 a4m

  When a cannon fires a cannonball, i 4te8s+m+oiethe cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at consq2q/w9ltmsm. dd9 f1 rrmn5+stant speed. The car is open on top. A large load of coal is sudr51lt+dssq 99dmf/ q.mr 2 wnmdenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled wh+ko(br ;uwskz6:r)gr ile sledding on frictionless ice. What happens to trzgb ;sr( w+r6kuk: )ohe velocity of the sled?

  A rubber ball and a z 54prg 0v8bmyu92umf lump of putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objecu r24m 8bzv fgpy59mu0ts experiences the greater momentum change?

  A sailboat of mass m is moving with a m j efb.42 /bzdhxy) -q*80kyg4nhu yvvomentum p. How would you represent its kinetic energy in terms of thesy.-y0zbjf*448 )yqnv2vkd/ xhbuheg e two quantities?

  If you pitch a baseball with tw pnl)0ss/ vlb9oa*mzj9*r h 3 bd++ueeice the kinetic energy you gave it in the previous pitch, the magnitude of its momentum ib s*rjsdeuzb+p oel99 ma/v*+)h30 nls

State Newton's second law in terms of momegkq *tus8uj+w :yo 05yntum.

State the law of conservation o5/7 gi uovms)kuh4rh,oc4c ;af momentum.

  The area under the curve on a Force versus time (F vs. t) graph reprek(3 wf huawo+5sents

  Which of the following is an accurate statemenqamzq++ * b/53 ye8qu)ppcrakt?

  A small car meshes with a large truck in a head-on -pacv( /.aajx collision. Which of the following statements concerning the ma a(/-cjp .vaxagnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped hprc6yyys tb-5) cv:*from the same height, and rebound off the floor. The red ball rebounds to a higher positionyb-s6 tpy)c*h5 r:vcy. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a stationary 25 n;lzq0xl/nomj4ly bowling ball. The Ping-Pong ball bounces back tzl ;oyj qlnl45/0xn2m o the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mom+26ae4t 9p i gqoq2mlyzjw 54qentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.0-d(9m 8di8 sircn rh+.vkg object moving to the left at 2.0 m/s. W9nhri(m8i d +d8.rcs vhich statement is correct?

  A 100-kg football linebacker moving ;8mqqpz m, v+m zvqf btbza96x:f7d:m-8o 4 jjat 2.0 m/s tackles head-on an 80-kg halfback runni-pd7 qbz 6bf vmmt:oj4x:z+m 88q9; vm jafz,qng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, l41 xjaz9z:qex s-r- cthen which of the following statements is true about c -:j lsxza1xrz9q- e4kinetic energy?

  When is kinetic energy con iwon p9t/94fxqhw/(d served?

  In a game of pool, the white cue smn;c1 ) +9 wrrwp+v;*nimetqj5w; hd ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of co9i r;nv tw1;jen+dhms ;w+r)pmwq *5cllision is

  When a light beach ball rolling with a spjs7a4+o7 74l xizf:ny 8fjvzxeed of 6.0 m/s collides with a heavy exercise bs +ixj4xo 4z:lyn7fzj7v 7fa8all at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to t)wj.snjr7 sey4f65u uhe right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the spee wuyeurs.s)j5467f njd of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on e 0svzp1yhr0 *4dkan(flastically with an identical ball at rest. What is the speed of the initially stopped ball after the ynzs4pkd0h(f1 *va 0rcollision?

  A very heavy object moving with speed v collides head-onqj+roeg eqsya yv.dn/012 /1q with a very light object at rest. The collision is elastic, and there is no friction. The heavy object bareernejd/ya /2qvo +1yq. 0sg1qly slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides 3o22qtmn y ow4head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfeco32m4ytqwo 2 ntly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on with afk 9:z1hwdq :q+mi x8o yellow ball of equal mass moving with a velocity of -2.m:hf iwo89dq:q 1k +zx0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v colli-h).je te*l tgdes head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is theheteg. j-t)*l speed of the light object after the collision?

  In an inelastic collision, if ejq 2y;8/u urithe momentum is conserved, then which of the following statements is tru8/2yr ;iejuuqe about kinetic energy?

  Two objects collide and stick together.zuow +z.h4ez- Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly i ny:owy i-. 0q2abpi8 e0k+rtmnelastic collision wit8:w.+ m a0y2int0-orbp y eqkih a
6.1 kg object moving to the left at 2.0 m/s. What is the total kinetic energy after the collision?

  A small object collides with a la zxy.b. -fbus0;sln:irge object and sticks. Which object experiences the la0 b:. s;n.zlix-y bfusrger magnitude of momentum change?

  In a game of pool, the white cue ball hits thezlki093lk sk4 k 9angd0m+8ynwq (ci. #9 ball and is deflected at a $35^{\circ}$ angle to the original line of motion. What is the angle of deflection below the original line of motion for the #9 ball?

  Consider two unequal masb *rjr;omh9e:hij( ,jses, M and m. Which of the following statements is fals(j;*mbo ihrej,9 :jrhe?

  Which of the following is a fa 2*d94lkyc xuklse statement?

  Tightrope walkers walk withhf8 u)(k0zymq a long flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting fr5+kndb;ej 9 the ground. Neglecting air resistance, the center o bn;fdj59rk +ef mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was cy kvr/go+a;bar a-6 s.ompletely inelastic and both cars quickly came to rest during the collgs+r;a rkv6. ao-ya/b ision. What is true about the velocity of this system's center of mass?

State Newton's second law for a syst/u.mpo3 v.v 1mxmbxperw2 7s.em of particles.

  What is the momentum of a 2000-kyl;f ejohnkkr(18 x.pd :8y;b g truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving sou j e-2k(wtwf jz3ca2(eth at 20 m/s. What is the magnitude of its momenze2j(f 2-wtac(ek 3wj tum?

  A ball of mass 0.10 kg is dropped from a height of 12 muneo* edwu;l2:zmsw w ;3bu( +. Its momentum when it stri;u wo(;w:*l+ bnemuz 2ue3wd skes the ground is

  Two identical 1500-kg cars are moving perpendic9(xly/w qmd(q mzt (/fular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the system?fmwmyxd( /zqlt(9/ q (

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes a wall and* l+.7e i)+pkac0 )qoxqklhkz rebounds at 24 m/s. What is the change in the momentum of the bal++.q p0x lac*eh7k)kil )zk oql?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is bor, -tx,nwvt69/yi n4rinnq0,r t 8dstruck by a racket causing it to rebound in the opposite direction at a speed of 18vwxydt0,4rri, q tn6/nn-t,rbo98 in m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond. /wpi(pbq : )f*loyqk2The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speed of the pit/:yw ipb lqo)2k*(fpqching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and iszh+pyl u q4:2+kxxl +1aabv5 u stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammu+xpybl a 2+1k xvh5+a4qu:zler at a speed of 14 m/s away from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head7vrae+ psqaftv6mr7l 7om5 41-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum +tpr4mvoea m5sfqlva 71r776 change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg maswn57lh;-fqgv w 1bvxh c,- 4oss), who is standing still, with open arms. As you collid,vv7ow gbf nxwsh 4-c5;q1- hle, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg mslh.rpyr,6 1a- v .luvoves to the right along a level, straight road at a speed of 6.0 m/s. Iusayr-r.h.6vvp 1 , llt collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car travelingdoq5 lmhylv6lc-d7r a8wg hs*9 j546 y at 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together sldm5h7-h8walycj59 6*vr4yqgod l6. What is the speed of the cars after the collision?

  A railroad freight cavb;jv .)*a rhsr, mass 15,000 kg, is allowed to coast along a level track atjb v*;s h)a.rv a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mas:mb0oz,- zur8ac lg4ss 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance of 4.0 m, anas0 u8b,z-cm r:zglo4d lands in the car. How fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s (w+ enhfh0 /qlemmaq-6.ith respect to the log). With what speed does the log move, with respect to the shl6.me/ 0qhan fqhme+ -ore?

  A 4.0-N force acts for 3.0 s on an ob0g9y8;zbq n0 ykw9t ddject. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to tg 9 nz ;9dybkq0y8td0whe object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. Whasncnmv5lih++7rqf0c7,ksnr)k fa - .t is the object's chn7f n5. )aqr 7++rlmc0hcvin k s-s,kfange of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides z1uy:mrsx*o h* *a,aj with a brick wall and comes to rest in 0.20 s. Whatrjoam* :x* y h1sa,*uz is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back a-.88uc ul/oyj4jnnm qlong the same path, and at the same speed. If the bat was q 4m- 8jlnuco8n/yj u.in contact with the ball for 0.10 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball right beforeje7 cayj4ka(bky +v8:am) 1kw and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively. If the collision between the ball and the table top lasts 0.15 s, what is the magnitude of the average force exerted on the ball by the table tay 1aj 8ykj:()7w+vebka4m ckop?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velovhgxu s,mo4ry 3lyla 7i3/1n /city of 750 m/s, at the rate of 300 roundl3lax/ isnyug3m/r y4 ,hov71s per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned i-hk5pv z+:,ttun3x9uin + gyvu :1 koon the door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the minimum velocity of the strea+:9 tvxpug5i :-zki htnu3+,1yvok u nm needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpi;ll46o hra i(qpe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it a(i 6qolh4l;rexert on the ground?

  A toy rocket, of mass 0.12 q4yv8u9q ..beofxb) fkg, achieves a velocity of 40 m/s after 3.0 s, when firu9qq4fxb.b)e8 .y v ofed straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer spafx1lm0c j 6fr+ce. They push 60r xjcflm1+feach other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. It colyy8 fc+,f2rt lfmg85p.ek8o;me d4agf w8s5wlides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy after thfm 5ygk.c8f l 8ey efo,ta;mpw82f8w+dr 5s4ge collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a-x-;2pabjqgs head-on elastic c2apqj sbg --x;ollision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fi9gws)m ;l6k +,juh l vxjrca(*red into a 1.00-kg block at rest. The bullet emerges (thelw*hj u a96sl( +x grjmc);,vk bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (whic- lz*a0eqj:yp . ixv0dh consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha-particle have after the collision? (Assume the neutron's mass pdj0: qa*0x ev.-zyilequals the proton's mass.)

  A 50-gram ball moving +10 m/s colq6th j7cd+(u ;y f4ogxlides head-on with a stationary ball of mass 100 g. The collision is elastic. What is the speed of each ball imty(j f4qduxg o+h6c7;mediately after the collision?

A ball of mass 400 g movin9irle-a)bu d1)od(j -;hvp zmg toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfectly elas-z )(pr ) a;vd1deo9-j bulmihtic.
(a) Determine the velocity of the first ball after the collision.
(b) Determine the velocity of the second ball after the collision.
(c) Is kinetic energy conserved in this collision?

  A 2.0-kg mass moves with a speed of 5.0 m/s. It collides head-on with a 3.l6jp m pb 9;o: assyx+(q+sz0v0 kg massy9bl6sp ++ ;xp0va zq j(omss: at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at alms* :yv ,z;40qc (ukranx,qq speed of 4.0 m/s collides head-on in a perfeqrznvyx, s,c ma04;*( ulqk: qctly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with+genhy 78ai5 d ll1pun5lb-j 6*ys(3y jg,zdf a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelans igjlfyey5da8-u 51d l, 6l( y3+b7g*h jznpstic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction d;rk 64 tw 1gavub6*jkburies itself in a 2.4-kg block of wrg v ;tbj6uwk46a*kd1 ood a rest directly above it. As a result, the bullet/block combination moves vertically upward.
(a) Determine the velocity of the bullet/block combination at the point of impact.
(b) Determine the maximum height reached by the bullet/block combination.
(c) Is kinetic energy conserved in this collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg car travelinh4lxan, lbf*g4 ve:q0 g at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed o* 4nhfeq :lavb4g xl0,f the cars after collision?

  A 1500-kg car travelfhz,okqvi7qo d 4 (; t+ie55gying at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick ei gq5dh7 t(5;,+f4zooivqy k together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. 7t.hefcz7x en/u s 8o1o m2i2( 5fxsvb Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of their combined momentum after the coll meu 2so8s. xzfte57hi 1xn7bcov(/2fision?

  A small bomb, of mass 10 kg, is moving toward the North with ae( ikc c4*c9do velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west with a speed of 8.0 m/s; a 4.0-kg fragment moving east with a speed of 10 m/s; and a third fragment with a mass of 1.0 kg. What is the velocity of the third fragment? (Nkic(c* 9e4co deglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x = + l0*v0thwg3,t j s1 wsp21.0 m. Where is the center of m,jw*p 0gl sh 103stwvtass on the x-axis?

  The center of mass of a two-particle system is at the o yf t/f:i3wu-0nd 9 njyvz(st:rigin. One particle is located at (3.0 m, 0) and has a masssynwyuz(t:0niv/- d3t9j : ff of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2hov.j)*rq9x0f k-pn m.0 kg at (2.0, 0), and 4.jf0r pm *vq-9nkox.)h0 kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg8a4 ye1 ,uwuqh 1bqoviup m36)z),xk i, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of th) b eyv4x m 6u1wzi8 qu,,)kahpuoq31ie system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg magni), ooln/)9*rigi css is positioned at (12, 0). What are the coordinates of a 4.0-kg mnrno9 ii o l)gc,)/*igass which will result in the center of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the positbx.e+) pmx4p zion of the CM of a whole leg including the foot when the l4p .pmb) zx+xeeg is stretched straight out. Assume the person is 1.60 m tall.