What is the SI unit of *tq77phd1+ompfy kq. momentum?

  When a cannon fires a cannonball, the cannon rw5mt0c apsiy.660b r will recoil backward because the

  A freight car moves along a frictionless) c40n5sc4kglg 0-slk ;xim go level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What han kl;0ggsxg)50io4ksc 4mlc -ppens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. Wha lxtd5m2vrw8048* z /t.6w abe tifofat happens to th54ef8f atv*a/wiwt l.o08zm6 x br2tde velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are thrown w;l:bl9fmbi)l,lwo9 dx. t cc,l6ouq 8ith 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 the greater m,t qllo9md:xblll ,6) bco; cf.w 9u8iomentum change?

  A sailboat of mass m is moving with a momentum p. How would2v,pju s3 ycz)3v4tbn you represent its kinetic energy in te 4) v ypu,t3n3jsc2vbzrms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previouffqe lo7so m-s0 q3)a1s ae )oq 7f30ss-m1qof lpitch, the magnitude of its momentum is

State Newton's second law in terms of momentum euyh6x4x74am nxx9 9l.

State the law of conservaex22i48 kw 1xcz;ue dqtion of momentum.

  The area under the curve on a Force versus time (F vs. t) graph represv2gzvih ; +kxpgv c(7.ents

  Which of the following is an accurate statementcytb/oab a0d)sl j5z47 hom 6.?

  A small car meshes with a large truck in a h fd)./b6 zqitmead-on collision. Which of the following statements concerning the magnitude of the average collision force is correct d6b./)fqmz it?

  Two equal mass balls (one red and the other blue) are drop,xk2mo-lu l9xped from the same height, and rebound off the floor. The red ball rebounds to a higher position. Wolm2 9kx, ulx-hich ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving ed y4mtg .t5*t)zgsu,b ast at 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 ouyg 4mt)tbz, 5.sdg*tbject experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linih- x* gqve;.*uf ic.kear momentum

  A 3.0-kg object moves to the right at 4.0 m/s.nlm7s20 e vau0 It collides head-on with a 6.0-kg object moving to the left at 2.0 e07nmu20 vals m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles hp+foy ucay0r/h *1i, zead-on an 80-kg halfback runnc*hou 0 p,afi1zr+y y/ing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the mo gd e-o1u+q3i-v4 kkmpmentum is conserved, then which of the following statements is true about kinetic eu-q okmp1gv-3k +die4 nergy?

  When is kinetic energy consebbcyo(fn( 3gumwkt 7f m(s,+6rved?

  In a game of pool, the white cue ball hits the #5 ball an/m 9s7d yqqqq+d stops, while the #5 ball moves awyd s79/+qq qqmay with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed ou48g:27p0yqe+ nwx r8tcivl cf 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's sp:evnpx70 luc4 t88yc+ wi qg2reed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collis + upb*k(8cit :mx*kqyion with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediat*:i8 bkcxmqk uy(p*+tely after the collision is

  A rubber ball with a speed of tqht:2vsvd4q em2r9+yg 3r n)bxle3:5.0 m/s collides head-on elastically with an identical ball at rest.l32y:gv4v htb:et nsx3 +m2d9r)eqrq What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with s zyb pfi;4hk8kfu ,yj:-7.srnk xr59zpeed v collides head-on with a very light object at rest. The colli:bx s ;f97j5fui zrkzy4hry8kknp, . -sion is elastic, and 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 moving with speed v collides head-on with a wji fvsh76j .oka9b 1s.(2a;jbom5u f very heavy object at rest, in a frictionless environment. The collis j.wj2b57f sj1.abhfom(k9i6 vsa; ouion 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 rm-m 2qbg/ydg q;9 l7ncjp(-wwith a yellow ball of equal mass moving with a velocity of -2.0 m/s. What n(p jm/2 wl9g;q gy-drc- m7bqis the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on 3z(k u3 yzq *3p62 dmf..a vvs;dyonciwith a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows dow*a3i(zod 2v3y3mnckqs yd;vz.uf .6 pn. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which of the fo9- 4 n+v9,dzmhn +nmxqx:zmvhllowing statements in+m n+q9mzv, xnhd- zh9: 4mxvs true about kinetic energy?

  Two objects collide and stick tz3pp n;0e.ft415.z b,,ojaff xtczmtogether. Kinetic energy

  A 3.0-kg object moves to the right at 4u(2:l pf/tk 6tx5 mlvy.0 m/s. It collides in a perfectly inelastic collision wi:xp5t l (lk/u f2mtv6yth 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 largel8w 7 ;fi7,eptbcu4j l1h) )x*bbtxtd object and sticks. Which object experiences the larger magnitude of momentum c,w)7t bctxub78tl4 il )x jbep hd*1f;hange?

  In a game of pool, the white cue ball hits the #9 ball and is ww*x;o9/ qbfl3 ,keqadeflected 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 followol xngq,4,3d-1 r ;hjjkfcj9wing statements is false3lhwjd 9 fq,; j,ox rn1k4jcg-?

  Which of the following is a falmxy20 o)zs2x0ezoo7 r se statement?

  Tightrope walkers walg3pnek tupk zj:6/,4 qk with a long flexible rod in order to

  A plane, flying horizontally, releases a bomb,yz :aiaptb4:ob r nms 711.jx+ which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the14a a: troz1 sb:xy+nm7 ibjp. explosion

  Two cars collide head-on on a level friction-free roaswnpdk) // glm 3pkx6*d. The collision was completely inelastic and both c)mdxlwns /*6 3 /pgkpkars quickly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a system of particles e ik0j.6ussw3.

  What is the momentum of a 2000-kg truck traveling at 35 m/s?r9ejkcl095g*dpeqqng1 hz r c;yu9 +4

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitudu :h(n+9+ru-ef0i jvoa)hkp ke of its mome( hr-)0 pkkvhfa+e9 uo:ij +unntum?

  A ball of mass 0.10 kg is dropped from a heztg*8y kg *cpa:54h aright of 12 m. Its momentum when it strikes ag g t kh:y8r*p*4c5azthe ground is

  Two identical 1500-kg cars are moving perpendicular to eachu/wij) g4xjwf w4, q*d other. One moves with a speed of 25 m/s due north iu)* ,x f4wdgwj4q/ wjand 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 horizontally at ow12o gnvpzx* j/ 7c/mu zl*,u30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momentum of the balvm xp j **nlgzoz,1oc2/u u7w/l?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struckt ljc fr.eb*w,o5xd v-m( aw6, by a racket causing it to rebound in the opposite direction atjwfw.e b-,mdl ,65xrv a (*tco 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 pondvwz imua;y)f71 e jjq0 p/ir-kwc7 p94. The 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 fri4 /1 wjfw797 -perukp;)vqyzj c mi0aiction.)

  A 70-kg astronaut is space-walking outside the space capsulejf .0y/k vo te-b.9xzx and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer0kvb9 jzo-/x . f.xtey 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 henkirz2(.p)kdsz5niome4 y: w 0(q0fead-on a large object at rest. The small object bounces straight back with a 5zs .ze4wmi (k 20op(ey:nk qd ni)0frmomentum 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 yoyx k + xaq9o8jc279q*upzk:(bfp 0ge (ic6lqfur friend (40-kg mass), who is standing still, with open arms. ex(upjqy96+ 7of: ( cgzi*2q axbcpkf9lqk 08As you collide, while 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, straight9ge r1o98x 4bn nbdjo* road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after t jo xgrb98n4o e9bdn1*he collision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car that hhb :rze/ e,gi-p*(jt 2a:yqjh as a mass of 1500 kg and they sticzhq/:b, g-aeh2y irj j:p*(te k together. What is the speed of the cars after the collision?

  A railroad freight c t( 5*1o5 lhog+vasd-v3x -k0msgnylyar, 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 released. What is the speed of the two c1-yslol*hkva3ods5 -+gxv0 n mgy(5tars after coupling?

  A railroad car, of mas q1a gvaj4( m*j,jq(vbi-/u tc,xqq d7s 200 kg, rolls with negligible friction on a horizontal track with a spe v 1 mqx-g qj7b,qtj,a*v(/jciu4aqd(ed 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 will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.85knapzv1s2 .x 0 m/s (with respect to the log). With what speed does the log move, with respec1.nv5azsx2pk t to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenlh l2qrxe+.8 w/j mlu7by increases to 15 N and acts for one more seh 8j2q /+exbrum.lw l7cond. 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 .ado/9o y-d -q9he lapdi34 yvobject. What is the object's change oil .dd4 q-9vay9d /eoa3hypo -f velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a bri3nq ss;l.4( wetdj 6cpck wall and comes to rest in 0.20 s. What is the average force th4( nt.6jq es3;wplcs de car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. Youba:jz6 x8-blm u/tk b5 hit the ball back along the same path, and at the same spmb:j-tkzla6 bb /8x5 ueed. If the bat was 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 speed ofuf)q0 bmm8(+ u;g )a3yeayms 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 by the table t;mo qyb a)m (+g8fu)yue ma3f0op?

  A machine gun, of mass 3/plyfh.4xv r oul,+3t 5.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the m3,luvhl/px rtyfo+.4 achine gun mount?

  A fire hose is turned on the door of a burning building in order to knock tglh.i 3 :mtihc :af- y)ny,t3mhe door down. This requires a forcehamfi 3tgim l hct.)n: 3y:-,y 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 bounce back?

  Water runs out of a horizontal drmiw*(5*lrd ejjcnen/ )l7 8+ec)ektpainpipe at the rate of 120 kg per minute. It falls 3.20 m8we/l5ni*)t pk*ldj()r ncem7 j+ece to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.1eu9ar.: 1b(ar 5u n-mips-l sg8iebu; 2 kg, achieves a velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the .-u e8up9s;bb ns-aau rg :r(lei5im1rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initio a 1 xico.t w,docl:7x6s +wlkely7--ally at rest in outer space. They push each other apart. What 7 7llly c6i :,oe1-o wcokwst.xd+-xais 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 f,0*p9agw3+cp cefny 5e- c7e,b ql vom/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 o qe*,p9 cccyafe v3-,+ bfl0g e5pwn7the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x di+v3l0fendm0+(zp pb *s 5bmp: m hyeq.rection makes a head-on elastic collision with a 0.15 kg object initially at5fld0vh(y:*n+eq3.bs mmz bpep m0 p+ 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 p;g: c/r*.uybz bol/ qn;/nhqfired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embe*b hrc. ny p;l//:nu;oqzbgq/ dded 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 heawnq 6tl8+gho 4d-on by an alpha-particle (which 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+8o qh6ln t4wg? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving q//w8rb.a (mgf2h).kh ( un qc4lmvmdoyw+i 9+10 m/s collides head-on with a stationary ball of mass 100 g. i+uq/m8g ).4 b(k cfh9vn/d ha2o.w wqyl(mrm The collision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g 1qvs8k:vcr:4y s 3xto4jzfa3 moving 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 1zx4rf jo34q:s vv kcty3a:s8elastic.
(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 mmm+jup 7o5dtsobrc)kj 5,e3 v 5mnu(zz4.-en /s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelas 3onjn d7 mu+bczotv)5e.u- 5ke (m sm4zrpj5,tic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4 -3o :f)x5yr8 ,ekd x r32rx:yhzkuuno.0 m/s collides head-on in a perfectly inelastic collision with a statix 8)xr5 uy r- rkxdy3:f:knoz2,euh3oonary 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 9:kv uh6 u8utrstation wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy irtu6uu 9 kvh8:s lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical dibx ws0pgd.cs*g vb0;+p6 g()f bml2 ,aod3cmo rection buries itself in a 2.4-kg block of wood a rest directly above 3cp ; 0x 6g)dg+lwc apbmo. mg*2 b,fdsv(bs0oit. 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 ll 6njkk30 u(5uc2lu u5r pxvqyu 6,ws23tw8a at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two car wcqs38pu 305,ul6ku2a krut5 l(y jw6unvxl2 s 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 km/h east collides with a 3000-h2wp1 q1;bfewkg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the dirpehwf12b1;w q ection of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east with a mocr v8pkikk:4ra/22-c xc 4 if/9ch mqdmentum 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 collision?kick2vp/xrq2mik :8 c/9 -adh cf44cr

  A small bomb, of mass 10 kg, is movi5c/jd.jwuk. ong toward the North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving wes ko5../j cujdwt 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 10.0-kg8l7 io.c aag6c mass sits at x = + 21.0 m. Where is the center of mass ona.cl8 7cgao 6i the x-axis?

  The center of mass o ozvtoce1 n40rj8g:h fwk;n10f a two-particle system is at the origin. One particle is located at (3hog cztn 01:40 wnr8fo k;vej1.0 m, 0) 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 follows: 2.0 kg at (0, 0), 2.0 kg :r9:bns vt5whbg*k to mi-.:bat (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of5 sit vbw: gbk.-mroh9b:*nt: the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are locat sf)xvo89oqyl/u6 9b ied 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 vxbu99f/o) sy6 8lqiomass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positio, gyym4( cp5gmmw cn;it83 :igned at (12, 0).:w igc4y,nymm git 58cmp3g (; What are 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 the4efa;cw+sd. h8 egir0 CM of a whole leg including the foot when the leg is stretched straight out. Assume the person h i;rcdf 8w4as.ee g0+is 1.60 m tall.