What is the SI unit raea3-m du2eu( h.4mwa(-qyj/ f5zxzof momentum?

  When a cannon fires a cannonixb 1 q)fl1;fi.h* anbball, the cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track)s-ul- 6dvx9poza q6v at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velp6vd-al vxoquz-s)9 6 ocity of the car?

  A child falls sideways off a sled while sledding on frictionledago( n7r *;lsss ice. What happens to the velocity of thes 7lodr*na; g( sled?

  A rubber ball and a lump of putty have equal mass. They:b9hoo 6dcs 2i 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 objects experiences o9h:doi2 cb6sthe greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would you represent itre( he99n/ xwzs kinetic energy in terms of these two quantitix9he/r(9wn ezes?

  If you pitch a baseball with twice the kinetic energy you gave it in the pre / bnwp2x6r(bevious pitch, the magnitude of its mome bpw 6xnre/b2(ntum is

State Newton's second yd, s,jov94q0hzny*alaw in terms of momentum.

State the law of cons*qq *nxomed(4 ervation of momentum.

  The area under the curve on a Force versus time (F vs. t) gr3 c 6n,iocm,*nlbp8d zaph represents

  Which of the following is an )pwl;eatpk7o f v..j:pkmd )-accurate statement?

  A small car meshes with a large truckigw+ *oznv+7g w/7rdb in a head-on collision. Which of the following stab+g7gzd *now/rv7w+ i tements concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the oth g u wan6./wzbniri w+)jy)(,wer blue) are dropped from the same height, and rebound off the floor. The rw.n(g6wz+bn)ij yuwrw )a,/ied ball rebounds to a higher position. 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 ,3x(kuxxdxm03, ,s ghkuvf 3w m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the cx3,mv,30d hxx( wuux3gsk,kf ollision?

  Two objects collide and bounce off each other. Linear mot,. * jw0e1r ,* ekl.bky ggce0jj6nsomentum

  A 3.0-kg object moves tu) -n;o:mbqr2hc/z hi o the right at 4.0 m/s. It collides head-on with a 6.0-kg obh-z n)hu/; ibomcq2 :rject moving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-k, vrwm 5qdi:s y7tr:u 1b)ce/)lag.pkg halfback runningrmd,q5: twg scb : yieu kr)l7).a1vp/
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which of the follo owmca 2ddoe0dx6le ke:4 .72awing stateda 0 4le22dwek.cooax7e6m: d ments is true about kinetic energy?

  When is kinetic energy con)rfr);svqz64pmv)cmu ls 7z( served?

  In a game of pool, the white cue ball hit+bt,noglr9qc /g3d5he0(h pm s the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of coll5,tpb 3/0g co+9nhdm(e rqghlision is

  When a light beach ball rqs5*, jtf knl:olling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after tfs,kq j5l n:*the collision will be, approximately,

  A golf ball traveling 3.0 m/s to trzia* 8 *udi3tmiw3 5rhe 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 speed of the golf ball immediately after the collisi8 i twd53a3 **mrizurion is

  A rubber ball with a speed of 5.0 m/s collides head-on elastically with an g 1mjfo2bsdg /ge*gcb(,jy) k +x0sp6identical ball at rest. What is the speed of the initially stopped ball after theg g m*)eopjjdgb/s bsg 0+fk1x,y6(2c collision?

  A very heavy object moving with s 4 yf;c .fvqlgby9gd1:peed v collides head-on with a very light object at rest. The collision is elastic, and therg;qyb1:fyd4v. flgc 9e is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed vx7qox -by2 :e +hqcnxavqs78- collides head-on with a very heavy object at rest, in a frictionlesn:v-+ xq yxqq -ao2xecs8bh77 s environment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity of nyaoqdxg(6t t,:2cw; lun jxy98xf- 6 +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. Whafx6 tnx-6nca8;qw: j9l yy,dtg2 o( xut is the velocity of the yellow ball after the collision?

  A very heavy object movingop w/(tjspfkzbp,:ke 1w80-c with velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely :jf kke ,/z0p w(os81pp tc-bwslows down. What is the speed of the light object after the collision?

  In an inelastic colli a,uo-c ovyqng jq5o8yj.(9x/sion, if the momentum is conserved, then which of the following statemen oq/5(9n,ov.jjy ucxy 8qg-ao ts is true about kinetic energy?

  Two objects collide and stick togeth: 5tvg74hw +h7x xb(emz)nahmpz,y h ig)9l 3her. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collj:e(.izdu- pee mn9 g5ides in a perfectly inelastic ee.5g umdi:- (nzjep9 collision with 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 w1r hb+ du5*hi)cx ve,rith a large object and sticks. Which object experiences the larger magnitude of mr*h,+xeh) i5urc d b1vomentum change?

  In a game of pool, the white cue b1*sxpxh ohqc4y6ul(s/ ,xoddemj i6:e6 g )q6 all hits the #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 masses, M and m. Which of the followin*9q9 h8qfurequr7d0/bv xa+ kg statements is false8d rqu9f9r /*7 0hkvb+qaqux e?

  Which of the following is a false statem .,x+cv4naqarent?

  Tightrope walkers walk with a long fgjog u/z; g 28)2 adx6fo- 3:b*euhs9rqhd bfrlexible rod in order to

  A plane, flying horizontally, releases a bomr +zcgwh5(xy.yseg * -b, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after th- +rcyh(sx ey*g g.w5ze explosion

  Two cars collide head-on on a level friction-free road. q0b)f3q dzu6n*au)m5jwopn3 The collision was completely inelastic and both cars quickly came to rest35dw30oq)ub qja n6pnufm z *) during the collision. What is true about the velocity of this system's center of mass?

State Newton's secondeq:2jnjpr 19wy :p 2w )sy1fft law for a system of particles.

  What is the momentum of a 20di s8t jf7a67v:1qv ee8p cq qmfr5q-700-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude ofr1veu bx;n6t( its momentu 1;t(uxnevr 6bm?

  A ball of mass 0.10 kg is dropped from a heigm+ru8jyi6blnhh0 j4h8 mp/33 yqawe8 ht of 12 m. Its momentum when it strikes th04u3j n8+ 3aw8ybyjph/hlq 6ihem r8me ground is

  Two identical 1500-kg cars p)v kp(ss qica*.;mc(are moving perpendicular 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 t*qaicp)ss p. ; m(k(vcotal momentum of the system?

  A handball of mass 0.10 kg, traveling horizohje/ ke wz+m/7ntally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in t zmwj +he//ek7he momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a spee, m5m2m2dph*v2 lluwlje y0. id of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in ml.,0*dlvj le2y 5i umm m22pwhomentum of the ball?

  A 50-kg pitching machi3r6oi-aq xbp0n.xc1oo x(y+bne (excluding the baseball) is placed on a frozen pond. Theryx +(io. po-6obqaxn30c 1xb 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 pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking 5bf6;pfvh6q coutside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from hfp; qf5cbv66the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approaches head-on a large objeedtw )11dqon.av 4;suct at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitudedn;)vsodwe 1 4q1 t.au of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to gree jqevr:6vuqjz : zjdv2/*q /a6t your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move ofzvuz:qvjjjqdq: */a6v/ 6e r2 f together?

  A car of mass 1000 kg moves to the right along a level, straightib)um br.4,r(reik m ; road at a speed of 6.0 m/s. It collides directly with arib)ium.; ke4 r mrb,( stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of aw0;fatcnx4 480o ; ud5fbj iyt stopped car that has a mass oftayjcxun48w4f fd5o0 t;i0b ; 1500 kg and they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kgyi4tdxzcogo.;b szb 5 u-(8m (+v*a ls, is allowed to coast along a level track at a s; sb * vauys8cbig5o.zo4(( +-ltdzmxpeed 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 mass 200 kg, xe+3 zsuco91brolls with negligible friction on a horizontal track with a speed of 10 m/sb e3 xu1os+9cz. A 70-kg stunt man drops straight down a distance of 4.0 m, and lands in the car. How fast will the car be moving after this happens?

  A 60-kg person walks on1zh l4- a:wu;fcdp017od dpns a 100-kg log at the rate of 0.80 m/s (with respect to the log). With what spee 7a; s0ldn1dfdc:o4wz- pph1ud does the log move, with respect to the shore?

  A 4.0-N force acts for 3m3:/pe3*se 5 9 yifvlet(qloaq t ,tf0.0 s on an object. The force suddenly increases to 15 N and acts for one t5l3ts9t3 *a iy lp0f ,m(:e feqvqe/omore second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. Whatn()*z weo 9sqxn f)+dj kd 4l(vgxpn34 is the object's change9l4zk op3n jx)x(gqv wnf+4dde)(n*s of velocity?

  A 2000-kg car, traveling to the right at 30 l08.thj:f,smb6 fqe hm/s, collides with a brick wall and comes to rest in 0.20 s. What is the average force bf8hm 0fs letj:qh, 6.the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along thy:.g gej+czt :2b 9gove same path, and at the same speed. If the bat was in contact with the ball for2. zcb:t: y9eg+ jggvo 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 q me/ijm)109e x5wiikt3mmz 1 speeds of the ball right before 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 b31 5ti)mie w 1zm9qkxmi mej/0y the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a .gk v0dz,ow (xcv +++wsmdt,xt 2w7m wmuzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerte+wv,owwsd7x+dk 2c ., ztm xvmwt+g(0d on the machine gun mount?

  A fire hose is turned on1 1mmb4hm 5krz 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 the54 b 1mr1mhmzk minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute.+hmr)242 xwe fr/ul jrk6num; It falls 3.20 m to the ground. Assuming the water doesn't /;f rml64xejum)rw hku 2r 2n+splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after 3.0 s,dum gyrmq, 37/ when fired straight up. What average thrust force does thm m3/7yg ,urdqe rocket engine exert?

  Two astronauts, of massesf0l.0 cimz5a s 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is their sem5 lizs00ac f.paration after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a sp kmfkhh 1ihr .--9db2w+sv -jzeed of 2.0 m/s. It collides 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 hkir.kb vs9m- -j-2zwh +h1fdafter the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the k2jjkv2)cm n6+x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the6kvc22m)jkj n final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The t;6(/jucuy b 8hyjr7lx p,x0vbullet emerges (the bullet does not get embedded in the ju8h l6pcv(/ 0t,bjrx yu;yx7block) 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 (whicb rg0dr:o01-m rd-mlkh consists of 2 protons and 2 neutrons) moving at spe gmkrd:1m 0lr br-od-0ed v. If the collision is completely elastic, what speed will the alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 m/vhov:7nl 8( o*h6a gugs collides head-on with a stationary ball of mass 100 g. The collision is elastic. ggal ov7:u*(6vhnoh 8 What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving:tdf/n stnrr4 bt /37l 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 perfectly3rt7ln/btsn : f4r /td elastic.
(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 v/tzpo5 ve(bc vu/ y04ol-r2*1zvesa3.0 kg mass at rest. If the collision is perfectly inelastic, what is 0 vovblps/25r1vuve4a-eyz* z tc/o( the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides dge 91veubt s6y 9v/f3head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How mudbs vegyt 9u/v 93ef61ch kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, stro*,kdbiu2:ady*e- da6 6rpy iikes a parked station wagon, who's mass is 2m. The bumpers lock together in thi:eyaiouy, kd-*bi 6dd2a*6 prs head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertic9facrfzp 66( nal direction buries itself in a 2.4-kg block of wood a rest directly ap(6r f6cz9naf bove 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 traveling uauw;u)2v4fxb1e- owat 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What uuufe2)ba1w; - x v4owis the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg car tra: svj7y j(nah/j ic(reougur0 040 hanpw+;u:veling at 60.0 km/h south. The two cars stick j g+(n0vp7a;j( yn0 hhir/ jaw :e0u sro4:uuctogether 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. Obg(9hk cz vk9 qe8+ecuypp.1-prer4 r2ject A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make ez ( e8k.p-gke1hyuc9pp4qc+r9 rr2va perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving tw 2uh9fw -h3sccnvb e, o2-mh.oward the North with a 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 fragmennh9 ,w- muhvwb3c.s2ecf-h2o t with a mass of 1.0 kg. What is the velocity of the third fragment? (Neglect air friction.)

  A 4.00-kg mass sits a.eash pqg ixh)+-05 yo.ddz(ut the origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of mass on the x-ap . ez0.g(a-sdq5iy+o) hd xhuxis?

  The center of mass of9 z)- ok4nlkij a two-particle system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass )-kik lznj4o9of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg aj(9 cz n j;tbd4-ivsjz8w:s5 gm,7zxqt (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordin:5zx-7 v84jjd msbzt(wzgic,qs;j9 n ates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg,( ae av4c w +r.(u:re-rtjax2y are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectivw u2(ea -(cryrj rt vae4ax:.+ely. What is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0),jn-o3shf3b (ue i2fho0:ks 2i and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system of three mjf2h iuoieo2b: fk0 3s(-3 nhsasses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the:s lhb1pxjyd4p, h kjuzv..1 / CM of a whole leg including the foot wpy.4v:b 1.u dj h/lz x,hspk1jhen the leg is stretched straight out. Assume the person is 1.60 m tall.