What is the SI unit of momc3hd+ht od)3 ventum?

  When a cannon fires a cannonball, the cannon will . hjch 3*m.xjo -bs4harecoil backward because the

  A freight car moves along a frictionless level railroad track jeo)aw;i9. q u1:akk r 5kiv0rat constant speed. The car is open on top. A large load of coal is suddena:wi5 oaq ruri1k;0 k j)v9.ekly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. ) e;3n);t cpb30 bskirbmcw h0What happens to the w)s nbep)0;r ;h30bt3cmckbi velocity of the sled?

  A rubber ball and a lump of putty have equal mass. osc *0b: w,( qfawu5qwjuw:i8They are thrown with equal speed against a wall.c8,uq j: 5sb(*wa :wwwifu0oq The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would you reprecp7 c7udy53hjf98w gu jt9hp .s09 jpvsent its kinetic energy in term 7 9jjj s.hw790gy5 uufpc c3hp8pdt9vs of these two quantities?

  If you pitch a baseball with twice the kinetic energy yo e*zz7 l:e2nk3qbo,bku gave it in the previous 3kqoe ,7zelnz bb:2k *pitch, the magnitude of its momentum is

State Newton's second law in terms 5wv9- u ult ,:htfj-gij)t n/pof momentum.

State the law of conservation of m 5w)ophv *anv(iv5o roi:k4)womentum.

  The area under the curve on a Forcb h. ;l4jx*rrve versus time (F vs. t) graph represents

  Which of the followi++nan46uf -c xxradb0ng is an accurate statement?

  A small car meshes with a large truck in a head-on colmgu*0q6bk (+ygg q9felision. Which of the following statements concerning the magnitude of the aver0gf9*kggq6y e+bq mu(age collision force is correct?

  Two equal mass balls (one red and the other blue) ar6 ,kj 8p9j ,z3itfghsje dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision with tpf3izj j g,h9 ,s6jt8khe floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a stationtrp()g* 9ti s va):xja*f7wk nary 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 :k*gj) t(sp7nr aw)taixv 9 f*the collision?

  Two objects collide and bounce off each other. Lxb(sktta. 2f +d6r6 umzrcl:6inear momentum

  A 3.0-kg object moves to the right uxr*wujt39.:nb g (nh at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s.j: rt*bg.n 3u(xwhu9n Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-o s7.uzbri p1h(n an 80-kg halfback runnin1rbszi hpu( .7g
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 followisnedeisyl*b7 )3+ u.x ng statements is true l y.d7*+xieb)s3senu about kinetic energy?

  When is kinetic energy con8a o9k i**lwha iyv5;a:nfu(pserved?

  In a game of pool, the white culnoup tq/yc4g p5n.i3u88a m.e ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as thet .. mno8c p8uuyi4a5pgl/n3q cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed 1rjs-(jjyqy.jy xa:( wmt2i )of 6.0 m/s collides with a heavy exercise ball at rest, the beach balr(y aj -tw(y)js:xj2myj i1.ql's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a he0otyffqd ).(ug is -s.ad-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of th )sdgy-q fu0s o..i(tfe golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elastical cd) ;cx6wzyuq5,d6mb t (al:mly with an identical ball at rest. What is the speed of the initially stopped ball ady5 t6md)(am x ul 6,:cwcz;qbfter the collision?

  A very heavy object moving with speed v collides head-on w8q0zclchs ;)*.dhr u mv: vg:qith a very light object at rest. The collision is elastic, d0 ;* sv:rvm)qchgl :c.h q8zuand there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  A very light object mov jjo.(ns7nhw3 /ev(n4*w wa:s(odt tsing with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The colli(aw w43nv:( dts/w.ojsh n* e7tjn( sosion is almost perfectly 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 a yellow ball of et n1+pwpkmw1.24b)es xf;gu xqual mass moving with a velocity o12x4p1;b sew gw pn fktm.)+uxf -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head7pds ugz 2pb j.39emb)-on with a very light object moving with velocity -v. Th)gbdejpm .s 79 up2z3be collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum idg3. 0v(x:xk;pkhi *zza kvk4 s conserved, then which of the following s.v: x(vhk4zgp3aikz dkxk0;*tatements is true about kinetic energy?

  Two objects collide and stick together. Kinetic mu2 uqsiu4s-tvvu uo.h y167( energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inf3wxoh6+bweu i-w2u3 elastic collisiofuiw-w 3 w3u+b26exohn 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 with a large object and sticks. Which objecel xy.x/7ozl ;t experiences the larger magnitudox /7xezl ;y.le of momentum change?

  In a game of pool, the white cue ball hits the #9 ball f 1hze4 u)x8tjand 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. 1rvt -vht+3 saWhich of the following statements is false? -3rtvhv1 sta+

  Which of the following is a false stc+l:kd)wfsb.3 lq f s2atement?

  Tightrope walkers walk with a long flexiblj.lt);xrk.,qvkc yh- e rod in order to

  A plane, flying horizontally, releases a (hyt2 (uj vavg to3*v+bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragmeyvag htvv j3(tuo2+ *(nts, just after the explosion

  Two cars collide head-on on a level friction-free road. The collispx3x(+cojqtbs g8 9m-ion was completely inelastic and both cars quickly came to rest during the collision. What is trueg3oxb cxm+(98-spt jq about the velocity of this system's center of mass?

State Newton's second law fiz- 34ita1i vq9)la(tn n tb)kor a system of particles.

  What is the momentum of a 2000-kg truc 8;y nt +sv32dhpiehbmowh;4,k traveling at 35 m/s?

  A 1200-kg ferryboat ss2 a.+l(8- n6ocgg*krzdi hfis moving south at 20 m/s. What is the magnitude of its momentu f 2gckz86r (sd*g+snaihl-. om?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum wheabazt x g8*.+fn it strikes the groutz+aagbf* .x8 nd is

  Two identical 1500-kg carui0: nulzimmvz6/sfh9 0kg d5c- 21gus 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 t cklun-im5gvm02 g z:6fu019/ihds u zhe total momentum of the system?

  A handball of mass 0.10 kg, travelin 7+5(jwo+kwl0ngkvlcyp g ,;ng horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the chap;+v l kjy7 g, 05o(ln+cgnkwwnge in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is n/ i84)p e0af lnpjmwugfo0:7struck by a racket causing it 4m l p0o8n npuwaj ff07ei)g:/to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed oneu*z 3pbl)d7mscrv -2 a frozen pond. The machine fires *du 7z)ec prbv2ls3-ma 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 space8b4zbm q :qmk(-walking outside 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 s(4 mq:8kqbmz bpeed of 14 m/s away from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with moment7 ya 8d6cp:-a t-xfiurum 5.0 kgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitud7y --8far:xt6p diac ue of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greqt .a0 m:x 6*x6htszvo*rk ,z) ybg:szet your friend (40-kg mass), who is standing still, with open arms. As you collide, whizs ) ,.ako:y06**trqbgvz :stx xmh6zle holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, straight97xb.t9lmtpraz*qu ) 3 k25 g;jpvupl road at a speed of 6.0 m/s. Itp9u *p3qlt52xjaz.vmptur9 l ;gb7 k) collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveligcj j*/c //oyzng at 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick// /jycj*gc oz together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg,tipb e n7p:l/ s,fa.v1 is allowed to coast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second car, initially at rest and with ile.vstn 1, pb7/a:fp brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with 9hmmuiekm wx. l57u+/negligible friction on a horizontal track with a speed of 10 m/s.9xlm w+u ./m iumhe57k 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 on a 100-kg y)yxsi+d5g:ck+r/ c c log at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respect to tc5ci+yykrcs: +gxd /)he shore?

  A 4.0-N force acts for 3.0 s on an object. Thewn0 1,jka4 vh9hxumh: w9 96dm mxle0b force suddenly increases to 15 N and acts for one more second. What impulse was imparted by tlw6jhx vnk9h0h4x d9w9m:mu eba1,m0 hese forces to the object?

  A constant 9.0-N net force acts f+qwszk7o1 .9um+kc*iuz* 2vwbh na-uor 2.0 s on a 6.0-kg object. What is the object's change o+u*uv +2i cob9kszn -7*qwwa hu.m k1zf velocity?

  A 2000-kg car, traveling to the ho)wmdvo43xc * 27z*fytd q*eright at 30 m/s, collides with a brick wall and comeet)xw7* oh2cq dvy*mz*3 f o4ds to rest in 0.20 s. What 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 along thytx3 ylw6 fm1/3ntdrzz3x i ),e same path, and at the same speed. If the bat was in ny1/6 3mdrwxx33tz z,fli )tycontact 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/orr nkw -b2o4. The 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 aveb rwr-k/o2n 4orage force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fao7 1pqp z;j5lires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average forj ;az5q7ppol1 ce exerted on the machine gun mount?

  A fire hose is turned on the door of a burning*;z 62327 k ,tvkjujvyowzilp 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 stream needed, assuming the water doesn't bou ;w6 vijy 7,*kv2jtkp zouz3l2nce back?

  Water runs out of a horizontal drainpipe at the rate ms/y,5/t+a44rxa0p qoywwlb k50 qhf/gc :pv of 120 kg per minute. It falls 3.20 m to the g / acw+/ ys0/xt5a b5pp vk0rqfqo:lm,g44y whround. Assuming the water doesn't 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, ws*fxzn13fh9 r4 zcb2d;p gk*ahen fired straight*drf 4kc*g9hs 3xf1; n2bz azp up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg,*t5im+sjxg9)y, fy qt are initially at rest in outer space. They push e,t5y)t gji 9+xqy*f smach 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 collides in a pe. -.b)lzzkr:ft.cxl frfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energy aftertz.l fz: l.bxfc-k. r) the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makesv) kqes; /u8qx a head-on elastic collis/xv es q8);kuqion 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 movizt0. ccruz 8 szu i2o26kbwi:9ng at 300 m/s is fired into a 1.00-kg block at rest. The bullet emerges (the9 z68izb rs2 wu ozu:02.cktic 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 :o+qe6ca;c ;roe j)oaby an alpha-particle (which consists of 2 protons and 2; a;oj:ae c6oc+o)req 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 equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on t syb1wcf7gq ,7ts ,vz(,t9 gqb:i.xnwith a stationary ball of mass 100 g. The collision is elastic. What is the speed ofitvs7c7 qb1(y:zs9 btwgxqf,n,,tg . each ball immediately after the collision?

A ball of mass 400 g m+evv i9up o l2wfc4.:joving toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting ao fel .9vpi2v+w uc:4jt rest. The collision is perfectly 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 3.0 9s3mrdv vs3pzd-()tp kg mass at rest. If the collision is perfectly inelastic, what is - 9vssddvp3 3tp )zr(mthe 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 head-on in a -kwoaz7e r;4 z2qy1ec perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collisionyzez;c-k 2 1wo7ea r4q?

  A car of mass m, travelin)8 zsw5 yili(zozq(lxu (r+ ph5g93 pwg with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this hex+)s38y zri 5w (zoh(g z(l9i5pqpwu lad-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 vertical dir hmjiu) w xtu7.hb+o 29zec*3bection buries itself in a 2.4-kg block of wood a rest directly abov 2uh39 bu o7*z+e.thi w)xjbcme 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 witjoto023baqu) uw t/-yh a 3000-kg car traveling at 60.0 km/h south. The two cauu2 ay) -j0t owq/b3otrs stick together after the collision. (See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 k ;7 ixar zboc2h:.c uenuk6c/*m/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collisiocei cur:ck6ux2.b7o;h a*nz/ n?

  Two objects move on a level frictionless surface. Obkc9w1p7ytqa iy -;0t *7uu)df2twziz ject 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 theiqti;9 7yay)d u1 7twuckziwpf*-0t z2r combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4.0b+ri s:of2zhjz9x0;emv k8*z 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 frhz08jzf*xizks2e :+m bv 9o ;ragment 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? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x = + 21.0 m. Wh*v1yku980y xd l prge 1n/)s. hb,lerfere is the cente l rxygrybph.e ul*f09 ve1k, 8s/dn1)r of mass on the x-axis?

  The center of mass of a two-particle system is at the origi4fqfqo ye c-7*n. One particle is located at (3.0 m, 0) and has a mass of eq4*yfo7 -f qc2.0 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), 2.0 kg 2ouvz g-7mw- kd-2lo eat (2.0, 0), and 4.mu2 w dkg-o-l7vzeo2-0 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 kg, are located at (0, 0), (1.0 m, 1.0dv,gq+* bvk d6 m), and (2.0 m, -2.0 m), respectively.d*vqvk,bd+g 6 What is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positioned ri j8q-j tmk*7at (12, 0). What are the coordinates of a 4.0-kg mass which wili km-q*jr78t jl 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 position of the CM of a whole leg including 9quwmlmnuw x 3m18t ( ;*lma.vthe foot when themml l18vux uwt3 q.(mwm;*n9a leg is stretched straight out. Assume the person is 1.60 m tall.