What is the SI unit of momentum*ic 4k jt96hcm?

  When a cannon fires a cannonball, the cannon will recoil backward because o-av-k -q z;wcthe

  A freight car moves along a frictionless level railroad track,8wea:h(mx8ha o 6i wr0q n b1m.pyd/j at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the .mdj8aohp 8e,ryxw a0q: (6bmiw1nh /car?

  A child falls sideways off a sle. 23 hre:evn ms*an 0l;vg9zcod while sledding on frictionless ice. What happens to the sn.zvc; e3na09l go e:vmh*2rvelocity of the sled?

  A rubber ball and a lump of putty have equal mass. They a/y- u 6 h z/h,3b3kvaca5robmare thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. 6az3ab/m ohh, rcy/uk-a5 v3bThe 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 represent ,rjqt1 7k.ai kits kinetic energy in terms of these twj7 .1krt, kaqio quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previouo+ 8p0s-xmny+/ zkb 7 lwks2tls pitch, the ma mw8 s+n7kxtzy+- lk0osbp/ l2gnitude of its momentum is

State Newton's second law in terms of mome1hsc4 yhe*r00vnt s. jv+mur/ntum.

State the law of consegney 9,7w,f)dx:ruloa6392 ut rnwvj rvation of momentum.

  The area under the curve on a Force vy96prc5hegq 6 0s ;fr e nh79sd,phf-rersus time (F vs. t) graph represents

  Which of the following xwgr1b0/s(pd is an accurate statement?

  A small car meshes with a large truck in a head-oy h+a:(k9x otd7wwyhmobo -85 n collision. Which of the following statements concerning the magnitude of the average collisi9a+dw5(yomxw 7:b-8 koyo hhton force is correct?

  Two equal mass balls (one red and the other blue) are dropped from th17 vswm-mzg 8xe 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 c gmx7mwsv8-z 1ollision with the floor?

  A Ping-Pong ball moving east ab;pbjj5v+tv ;b3bpt/ t a 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 impulse duri5 bpvbj;bp+3t/; t vjbng the collision?

  Two objects collide and bouncec.q + wy-vyh,h off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It conoli 998sn5aw8nl s3 ullides head-on with a 6.0-kg object moving to the len9l nu 3 ns8oai95lws8ft at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tack-qs cl)dp 9iq(les head-on an 80-kg halfback runnqi l9(c) d-qsping
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserved, then which s mtq*zqc0s((of the following statements is true about kin (*z (mqsst0cqetic energy?

  When is kinetic energy con5)+k x 8n.eqi5euaecnserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, xjhu2j 90qa ;y(rf0)j bafj 0twhile the #5 ball moves away with the same velocity as the cue ball had originally. Thj x02 uj(qat9r jjf)fy 0;bha0e type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a6owkx3q: z1xe heavy exercis1 z6qwko:xx e3e 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 collides in a 5wx tpgy;2gi uq.o.i-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 b qgoi ;5.xpg.y -2twuiall immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on el j2u -n ht(7up/poo4gu-c2g l0meg+yuastically with an identical ball at rest. What is the speed of the initially stopped by2(oec20-j/n -upmu 4p+tuglhog g u7all after the collision?

  A very heavy object moving with speed 4bmbm9f :1 ;zuxp-gfqv collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy obfm- b u4f9xmg; q:pz1bject barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a vexgz 2n odv9i28ry heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the cg922v 8i nodzxollision is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow baqp7;po 5)ls ,l pt;1e; psqd/-f9r(r hygwgoq ll of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the-g;(oqq5 p/ds;7lprl r; eo1 wft g,y)pps9q h yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very lm*xa, p0eg2o h ;actx,ight object moving with velocity -v. The collision is elastic, and there is no fricgpta2a,mhx*;o e0cx , tion. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved;6t77qp*. ptdhea-owxg qe* p-rblxj-fj; f1, then which of the following statements is tru.;xa-;gp-7 pep6eqfrf *b t hl*wdtqj1 -7 ojxe about kinetic energy?

  Two objects collide and stick together. Kinetic enoqgx*/6b d 1jc a3v3xm(:xsku ergy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in av+ yh i9gr5oj+ perfectly inelastic collision wg+r5+h vyoi9 jith 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 waeq.k ze8inhk)b s7796e c-lxith a large object and sticks. Which object experiences the larger maxsz8)ha k n 76l97kcq-eb .eiegnitude of momentum change?

  In a game of pool, the white cue balw aq*p ppy8:u2ojs0, dl 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 b .09li ,eo m q5p+bovuy(appn)n+c3kthe following statements is falsce3u)yqnon+im 5(o.k lp,ab9 bvp +p0e?

  Which of the following is a fal/ gv)36a ;lzkogq(za5:xahvmmi z: gbr839 rlse statement?

  Tightrope walkers walk with a long flexible rod in order rhv fcl ab0 79cwp5t 6j2c,ugc+m.p g-to

  A plane, flying horizontally, releases a bomb, which explodes apcy/;pcbya .73 z 1vubefore hitting the ground. Neglecyy;a 1bu3 v/zpac7p.cting air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on rj3r 2 evdt)8b8t2lh mm, hk7xon a level friction-free road. The collision was completely inelastic and both cars quickly j bm )3hlkr2 x, edtt828rvh7mcame to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law fork.zq cw5lrt7m dp,57au -z7wz a system of particles.

  What is the momentum of a 200fa3,dv+hw.k z0-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitudegn nwt,,77z4mo1 huoo of its mome h7o,, 1o7nomwtg4z nuntum?

  A ball of mass 0.10 kg is droppe4)jgj kx kisvz 50t5txs* eo/:i.0 nnwd from a height of 12 m. Its momentum when it strike04/jstg5 j:o xn z)*x es.knv 5k0wiits the ground is

  Two identical 1500-kg cars are mij ,y; 8mq+ty :ks)vbxyt3/y6 xq tfd*oving 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 total momentum omx;3 y+kbqj syqt*y fi 6)d:/xttyv 8,f the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, strikes a1 18kqkftq/1q zvedaw(t.r5 b wall and rebounds at 24 m/s. What is the change d 81qe frk/tq(aq 5.bwz1kvt1in the momentum of the ball?

  A 0.060-kg tennis ball, initially mm 6pl wone5wl85r(x1 koving at a speed 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 moment k8plmw 5w15en(r6l xoum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placevhx1a jb*( .ard on a frozen pond. The machine f*1jva.ha(xb rires 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 oux /,8b 7( xb4.ff0eiqzfv zftrtside 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 the capsule. At what speed does the astronaut move tow.b,fqxr7f48 i x/vtz(0 bze ffard the capsule?

  A small object with momentuaf ij q dh.54d(/qrc qs-r(uo0m 5.0 kgm/s approaches head-on a large object at rest. The smalhiqf.ur5qrqsj0ao( d /4(-c dl object bounces straight back 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 4.0g5lx ostk6v) y :b3dp1 m/s to greet 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 m1l36 yg5xd bpv:ko s)tove off together?

  A car of mass 1000 kg moves to the rieg7yth( *-5obkxo/b(uxbj u ud7fa;(ght along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the totgd b/o* uu; xboxh5(bufej- 7yk(7 t(aal momentum after the collision?

  A 1000-kg car traveling s; umyd 7unz2/at 25 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;/ ds2muun 7yz after the collision?

  A railroad freight car)6v 7z mk6 .l3:cfkfg,o0kj my y-5bh ,ffvqpg, mass 15,000 kg, 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 brakes rbfmf) vl.khpz607m,f5,6 fk q-c3jy gyvk :go eleased. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls w2e 2jir5ay)q4bp 0 9lsb9hbcf9;f zh9cgpjk 0ith 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, and lands in the car. How fast willb 2;)20hqe0j bpapgshfil54c j bfkrzcy9 99 9 the car be moving after this happens?

  A 60-kg person walks on a 100-kg log aon9jy 9 ytvwy5h8/l :5i5pwm at the rate of 0.80 m/s (with respect to the log). With what speed does the log move,8toyh y 5apnlyw55/99j: vimw with respect to the shore?

  A 4.0-N force acts for 3.0 s on an objeygc-lw wwl.9p7w3 dqfy5o30c e cv6f2ct. The force suddenly increases to 15 N and acts for one morc6-93 7e0qv.cfwf ylgwcl5do2 w p w3ye 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. What is the objecw9di7k)fj b qnq 3+.bbt's change of velocity?)i wf79qdb+n qb b3.kj

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wally2 + ,pcb7zvzh and comes to rest in 0.20 s. What is tv,bhp z+yzc72he average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 mf7*5w uv:/8 zlgqmrp :ijd1vq/s. 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 average force the b di8p:u/w q1z*mjr5v :g flv7qat exerted?

  A 0.10-kg ball is dropped onto a table tn :k:j 7slm-k.xqi/w sop. 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 b -x.kssmki/q 7 :ljn:wetween 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 top?

  A machine gun, of mass 3o4 b78d9zfin t5.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. Whz 87o9dn4ibt fat is the average force exerted on the machine gun mount?

  A fire hose is turned on +0ye ,ywl4lth 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 per0lh +l,ye wty4 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 k *ay97g)ht,)q ca* amel qu6afg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on the groua*c ealuqfqty*9 h)7)a,ma6 gnd?

  A toy rocket, of mass 0.12 kg, achieves 8+(b4 jnseva aa velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust forcean84jsaveb (+ does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially hzia4ec8 b(. hat rest in outer space. They push each other apart. What is their separation after the lighter astronaut he. zc8 hh4abi(as moved 12 m?

  A 3.0-kg object moves to the ri p4d8c7i ;4i/xa etkaj*3fxje ght with a speed 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 t;4ei43dip/ afjxxeajck 8*7t he total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s e7kffl.3 zk -vin the +x direction makes a head-on elastic collision wi k.ze3-7 kvflfth 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 fired into a uh:cc4a9rtcz.)z s2x 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of the block right after the collisionhzz. 92sr ctc)ucx4: a?

  A proton, of mass m, at rest, is struck head-on by an alpha-pa (*yhu .ur. 218 dvzsc8vnbctgrticle (which consistsu8 u8c2.ctdnyh *bsrz.1 g vv( 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.)

  A 50-gram ball movin4 rehcu28pq lgq fb 82jkuc1a n3-ci/;g +10 m/s collides head-on with a stationary ball of mass 100 g. The c4 u frqhj18gu32 c-nk /e cb;i8pcqal2ollision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s colli)y goyzv8f r4o5(nwt0des head-on with a 200 g ball sitting at rest. The collision is poo y zv85gw) (ynt0f4rerfectly 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 wz :0). q:ms)hq/eykohy- uze iith a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If-m) y.e)sq0 zk:qi:hehuzy o/ 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 a speed of 4.0 m/s collides head-on inf y+g:dy)psv/qrb 4hy *i)e* l a perfectly inelastic collision wi)rl+y) 4ib*ypfg:yq s hd /*veth a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked station wagon,7*nv n,hsi xqli2)qf, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic enesnxi7,iv hf)*q l,q2nrgy is lost in this collision?

A 15-g bullet traveling 213 m/s in a verticalhics g;i/ c9 xiu d2w6lr mn8fji1d5)5 direction buries itself in a 2.4-kg di/wilr5dciu x8f sc6 192m h;g5jni)block of wood 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 colfu agu.h3r1m0 s+ccseiwpek l 4kz,sy ( 1.s:7lides 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 speed of the .u+cm0(fu,1r4 ah3i syk.ck7e: zglpws 1ssecars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg cx kirm*h3bay edi +6.objc*3+ ar traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the direx b3i3*yrbch+k j6eim oa*.+dction of motion of the cars after collision?

  Two objects move on a level frictionles-swl;lr+ 5v6zm n p6h anq2yc7s surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. Thm aypz6+clvnw;6q- shr72nl5ey make a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moxl9t5mq 5gco fa( yv35ving toward the North with a velocity of 4.0 m/s. It explodes vl95ofcm ta53xq (5 yginto 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? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0ngj8u:dj 53ls-kg mass sits at x = + 21.0 m. Where is the center of mass on t :u3 jng8ls5jdhe x-axis?

  The center of mass of a two-particle syst 9w(kwvo:h5c xem is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 wh9oxvw5: k( ckg. 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 dnp6uyr:r *6 jnyl,g3 g ,wc/ckg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinaten,:l, 6/rncjgyyc3wrg d*6 u ps of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are l n :s/a8(cw*u:t nhc tljf2zb zrrs,:)ocated at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center8n*2r:h twj f,b:az tsnu(zc) rl/:cs of mass of the system?

  A 3.0-kg mass is positionedfoc(7** . oujb5v cqjp16i uo3ph6rvn at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kc pf**.7v65bojipo3nuo h 6r c(vju1qg 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 calcul t--evippdd ; pb3k;j)h*g,ob,sw9an ate the position of the CM of a whole leg including the foot when the legbhp,b-p;jie so)p -d,tkawg vn ;*39d is stretched straight out. Assume the person is 1.60 m tall.