What is the SI unit of momq/zw4pc muh79 entum?

  When a cannon fires a cannonball, thc ,0yf ejx)9zne cannon will recoil backward because the

  A freight car moves along a frictionless level7z8jba 8q 3q r0zhma27sm s7zl railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the v7 ah87mr70 3mbslsjq zazqz82 elocity of the car?

  A child falls sideways off 4o;5h lqju. jv k5ve1bh dgos+-tko5-a sled while sledding on frictionless ice. What happens to the velocity of the sled l5jbj55uks-4hhkg qod-v+vt;e.oo 1 ?

  A rubber ball and a lump of putty have eql ep*wj 23ni*vsvv49p7g fak0ual mass. They are thrown with equal speed against a wallp0 e**vf ngij3vw7v29lkp4a s. 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. Hh unn-ci6+ ao.l+kz7dow would you represent its kinetic energy in terms of these -+nd7i+ k nolazhc6 .utwo quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previ/q*8gcwt b*,*wlmj ki ous pitch, the magnitudekjg 8 lmw *bwi,*q*c/t of its momentum is

State Newton's second law in terms of moment; foyy-0 ,4vsgi-lwmoe6pey ,1- zvlgum.

State the law of conservatnbiv h+hpjk95 m+e0d 1ion of momentum.

  The area under the curve on a Force versus time (8c/dx 9kp,j 2wo2ax uzF vs. t) graph represents

  Which of the following is an accurat0 x14 3uup8rqvb )6r+sslxoate statement?

  A small car meshes with a largez3sv*ns i i:6pv3 meh- truck in a head-on collision. Which of the following statements concerning the magnitude of the average collision fsipzv vih:-s6 3n*3me orce is correct?

  Two equal mass balls (one re / iydovd5)x:cd and the other blue) are 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 magnitud dci y:5xod/)ve of impulse during its collision with the floor?

  A Ping-Pong ball moving east at fn0ls3 pn7y9c ra wg/2a speed of 4 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 impul n2 la rc3f9yn0swgp/7se during the collision?

  Two objects collide and bounce off each other. Linear momenv6 r )7/xnkc6mvfmab;tum

  A 3.0-kg object moves to the right at 4.0 m/s. It colli+)o mkt ,fww/xdes head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is correct, t +/wk)xmowf?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80qr f (j w.+, r9glmdw8t4sf*wa-kg halfback runni4* q.w8sgf,j +t awfr(wlmdr9ng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, elq) 1qvt o b,1cphix02 ;b,(y 0fjhnrif the momentum is conserved, then which of the followin,ynhlr0ic0p vh1qtq b, 1be2o)j;(xf g statements is true about kinetic energy?

  When is kinetic enerb dkhbm 2(dm 6ktk7)usf.n,b-gy conserved?

  In a game of pool, the white cue ball hip;s2g7qx:l eyk3l zx*wf8z.m ts the #5 ball and stops, while the #5 ball moves away with the same velocity 2:zzlsepy gx8*.w;kfx m 37lqas the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed *c g 59hl1fg hwmwmyddz+2*,y of 6.0 m/s collides with a heavy exercd*hmgyfzw ,*2+9lcg 5m h1yw dise ball at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collis o:pvui2)kj ,des in a head-on collision with a stationary bowling ball in a friction-free enviroksj u:,2pov)i nment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elastically with )oluyc s :zmtqa+s-)+an identical ball at rest. What is the speed of theco am)l+ ys :qs)+ut-z initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light obj 9oqd2i a kzvg/)t7,avect at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object after th)/ 9vqgv taai,z 72dkoe collision?

  A very light object moving with speed v collides head-on with a veryc5v i ju6m2k 3b-upsu+ heavy object at rest, in a frictionless environment. The collision is auu jcbv m-3+2kip 5us6lmost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a velocity ofm04qhurp. x3 dckr3;m +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball afc3mmd . 4rkux0h; qrp3ter the collision?

  A very heavy object movqq,us -pmt9l -ing 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 slows down. What is the speed of the light obqm--ps,9u l tqject after the collision?

  In an inelastic collision, if the momentum is conserved, then 4fm gt8btvt c5h:h2v i+) x:klasv/:cwhich of the followin: ibcct+:k8v5v fglt: sa2hmh tx4 )/vg statements is true about kinetic energy?

  Two objects collide and stick toghpt/sjam+j lc43o60 zether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfect52n )kgc7bae xmb5q* z+ qjv7hly inelastic coll5 h* b+5em7j2cb 7)vq anxqgzkision 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 wit 1t5oypav6/juh a large object and sticks. Which object experiences the larger magnitude yuv 6t51ojp a/of momentum change?

  In a game of pool, the white cue3yy 3ckz.hjq2mh )l)q ball 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 byd:9kmz r :/2 3oqtqv.ecnr,f 6gqu,the following statements is false? f9c ,gu, qb 2ermdoqkr63tyv .:z/nq:

  Which of the following is a false x2b /jm07ujmv statement?

  Tightrope walkers walk with a long flexible ro,9v:q fynp8yz d in order to

  A plane, flying horizontally, releases a bomb, which explodes bef y6(t-l1;:yeuffrnjy ore hitting the ground. Neglecting air resistance, the center of yyn1;6fy- er u(f:t ljmass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level/okn59b murod pkyp /07eq(xyntl/73 friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this s/7uqm kl3 / poeb9rtoy5yd 07 /(knnxpystem's center of mass?

State Newton's second law for a system of partd2j.a a gvin(*icles.

  What is the momentum of a 2000-*fjz5iqrx 5-1wb uo4 dkg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is v*urg4s)i mckjlv0:3 the magnitude of its momentum? 4l mvjrs0v*gci3k )u:

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momenqqfwr-m*o0a b-8swii y -(pc) tum when it strikes tyb wo m-w *af)- (0srqpci8-qihe ground is

  Two identical 1500-kg cars are x1 ee)6kj)jkvmoving perpendicular to each other. One moves with a speed of 25 m/s 6vx))ekk1jejdue north and the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling q6b0 2sqcb mdisc+y5jm99.p o0-ethl horizontally at 30 m/s, strikes a wall and rebounds qq y2 mosic6pe0tmb -d .990+ljcsbh5at 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially m5v v41ie )slfnl- z5 af;wcx8xoving at a speed of 12 m/s, is struck by a racket causing it ;iw5xfflva)v -4es 8xcz 15lnto 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 on a frozen pond.y(0jh v)zypr59a-mq m The machine fires a 0.40-kg baseball with a sp5z my h a(qmjp)vr9y0-eed 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 outside the spa:bzp7-z; e nwn +aj8aw3hp) cwce 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 awa;zec:zhwp3 )npj+na-w8b a7 wy from the capsule. At what speed does the astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approache1n 5 koab6hyvgdqnfi nim)m5/81y .0 bs head-on a large object at rest. The small object bounces straight back/o5 inm.f hvbi1)5nq mdbyyka6081ng with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kgijyaae1zuh0:) b k;vkc3g9 qpi1w(ttf/ ,z9 x mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do yo g z 1w(ipk/:31tqk)yhfetiuaxvb90 zj, ;9acu both move off together?

  A car of mass 1000 kg moves to the right along a level, strai9fxd*/+t bi cwght road at a speed of 6.0 m/s. It collides dt i+c fbxw*9/directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 2l dgsu 76ounb/ 92f(et5 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after the collisiouo2 gsdl9( b/7ftnue6n?

  A railroad freight car, mass 15,000 kg, is al y8:ifomzzk,/tgl7 q6lowed to coast along a level track at a speed of 2.0 m/s. It collides and couples: ,o7/i6m lqty gzkf8z 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, rolls with negligible frictiq1ly1nyh qo 9, v,5nmron on a horizontal track with a speed of 10 m/s. A 70-kg sto1 qnqv5 my,,hnyr19lunt 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 log at the rate of 0.80 m/s (with respectg0gk 9, o.8qj(dbuyau to the log). With what speed does the log move, with r(kbu aq09,8 gd.gjy uoespect to the shore?

  A 4.0-N force acts for 3.0 s onkh/9pj ,jsre(.48f0y +byo2n tbu v pn an object. The force suddenly increases to 15 N and 8+y,s(2 orp .ntkpn40u f9/h vbjejbyacts for one more 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. 0mc7e vp;i2c9 f0vdfk ;sc w2 85psq0vclo l(kWhat is the object's chan 0cdi92 k5vslfk;pcw2vm0el(sc0o ;87f vpcqge of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collide):sx bh mj8 jyf3ib9vf. 7jju.s with a brick wall and comes to rest in 0.20 s. What iv7sbbjjiffjx jy. m9. )h3u8:s the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/)9sx 3+gj +:- 5pq:kftjxh/rsbv0 mu5 a ggkfis. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitude of the g+ /fg9sk-x+) kg rp3sq:vhbf5u:tai x5 0jm javerage force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of the ball right b5ty5 lyhcl l0es(0f icp7ro* 0efore 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, wha 5i5*7y00 slpl 0ertfyclco( ht is the magnitude of the average force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram bul.wh w q:40vwhelets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What w.4:whwv0q ehis the average force exerted on the machine gun mount?

  A fire hose is turned on the h+*a9m aps/i9 c+i86asqd ny ndoor of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers 40 kgnda8shaq 9+a i+96/ s *nyimcp per second, what is the 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 mqj:i ,m 7biu/qinute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what averagm/qqu i,:bij 7e force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity ;kzhrw t77dt/ of 40 m/s after 3.0 s, when fired straight up. What average thrust forch/7tzwrkt ;d 7e does the rocket engine exert?

  Two astronauts, of masses 60 kg andd.y n9wd v:h/y 80 kg, are initially at rest in outer space. They push each other apart. What dy9dhy/nw v :.is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a sy*crv 8waoha)jl: f)3 peed 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 totarh j3* v)oa yc:w)la8fl kinetic energy after the collision?

  A 0.10-kg object withvj:vq 8-ik*8 rmdpgj8 a velocity of 0.20 m/s in the +x direction makes a head-on:vv8q -d8ijkrgp*j m8 elastic collision 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 movingvo24ap w 3 z*bgyln*3z4/hn*dpk9k se at 300 m/s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the 4 4s ye3gzp * nnwb*z*p9o2ad/hl3kvkblock) 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 (whk8gdox dq -l eh5r.*d/ich 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 equals the proton's mass.8gdeolkq/d- hrd5x *. )

  A 50-gram ball moving +10 m/s collides head-on with a statipt bm o.16:puqonary ball of mass 100 g. The collision is elastic. What is the speed of each ball immediately after the cobq. t6po: p1mullision?

A ball of mass 400 g moving todr4d 7bjw0v2bward 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 elastic.bw4 v07jdrd b2
(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,2lscnnl8eq z8/lrgj (q291 pwq re(e a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the maq1r/ s2nl2p9e8eel cjq q8( n ,lwzrg(sses after the collision?

  A 2.0-kg mass moving to the east at a speed cf ndes ms972:0pyx 2nof 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost xns d:2mpy09f7nce2 sduring this collision?

  A car of mass m, traveling with a velocity v, strikes a parked st+l +x (dkz,,innul m .q:hp.klation wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. Whaix: l,nqkumzk+ (ln hl,p.+d.t fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical o0 nj mky ns, m0g*vj;(1v,auqdirection buries itself in a 2.4-kg block of wood a rest directly above it. m,ukaqm;1(jso n,v0v n*0ygj 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 ma .l kf6r2tndk* :*vscollides with a 3000-kg car traveling at 60.0 km/h south. The two cars stickfm6r*:k lndas.k vt2 * 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 km/h east collihk rrd gm;)0r7des 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 collisr;)0 gh rd7rkmion?

  Two objects move on n 0 54nwdejew9d 0jl:ua level frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly j 4:0u0j5e9 wnneldwdinelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the Northv/: -t7 jhfoii 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 fragment with a mass of 1.0 kg. What is the velofiivjo h/7t-: city 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 = + 21.0oio 32c1 u8rio m. Whero23urc1ioi o8e is the center of mass on the x-axis?

  The center of mass of a tdu ;x6vb ,,sngqf sb-1wo-particle system is at the origin. One particle is located at (3.0 m, 0unq; x g,ss-vbb,f16d) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as folr*00.mdzjtw s6rbdi(q7 n5lzlows: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the n0*.qr6m bsrz50zwt j(d7i dlcenter of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.p ni5-rg/j9nv 0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the lnri n/pg 5jv-9ocation 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 posi4i h;x*zz(,arnx nwx gwi0)i-(rhf*dtioned at (12, 0). What a r r xn i *zf;wxaiwxgz4(h,*-(d)n0ihre the coordinates of a 4.0-kg mass 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 position of the CM of a whole leg in4zk -nm9h;trw0e2w.sz- ew k qcluding the foot when the le -9;zw m2 0s-q.4thn kwezkwreg is stretched straight out. Assume the person is 1.60 m tall.