What is the SI unit of momentumgg2khb2. /r hu?

  When a cannon fires a cannon*ccuquh -:zpycr 42 xpasw uf.;cs27 7ball, the cannon will recoil backward because the

  A freight car moves along;g t;2yv kvz8wiu1mev:(sy3 d a frictionless level railroad track at constant speed. The car is open on top. A large loam (v;83iu1y; ztdsv 2wy:vgked of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on(r1k8dbv;iwt7 1v7k t)g ehti frictionless ice. What happens to th;(ev )t77 t 1rvgikid8wkht b1e velocity of the sled?

  A rubber ball and a lum-ehps( h09 x. k+lqtflp of putty have equal mass. They are thrown with equal speed aqp(h0h 9flls ke+x-.tgainst 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 momentum change?

  A sailboat of mass m is moving with a momentum p. Hoh)v;0iu* 9nzrp 3+4b (xlt;kftvob f ow would you represent its kinetic energy in terms *tvx+ ibu3;n o(rzl9hk0vb4optff);of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in thedpi 3.(* sh0zk7 jevej previous0j.e*7kvj hdiep3z (s pitch, the magnitude of its momentum is

State Newton's second law in terms of momentum)s/9ofv /y )gzblqi9 om:re r..

State the law of conservation - /yt6wb6sv*9 tylzhfof momentum.

  The area under the curve on a Force verm 0zfvspz x/(*sus time (F vs. t) graph represents

  Which of the following is azlpl5uw- )tau4o.9k lcdf 6n9 n accurate statement?

  A small car meshes with a large truck in a hea7r s goy+8s4iz/:fpvl d-on collision. Which of the following statemsri7 zpgyv/s8+o l4:fents concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped*)ta 1*mwnujf 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 w*1*nmjaf t) ucollision with the floor?

  A Ping-Pong ball moving east n )vvn/77jz rgat 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 magnitud rg7jn)vnv /z7e impulse during the collision?

  Two objects collide and bounce off each7d*kjc6ihcm k 2p1 *zs-eij c7 other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides headp*zft-57 ray j-on with a 6.0-kg object moving to the left at 2.0 m/s.7 ay*j-t pf5zr Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg half.1a x.yeci 6e w6alm/gth-e9vback w66ei9e /eh -mgcytax. 1avl.running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, ifivb00 - m0esx5vui rioh -8qf- the momentum is conserved, then which of the following statements is true abou- irhs -8xiv 0f5q0eo m0ivbu-t kinetic energy?

  When is kinetic energy cons 46g 1iw 6tj8stmkyk.xerved?

  In a game of pool, the white cue ball hits the #5 ball and stopsaj7;8ezfdf c* sx d.*f, while the #5 ball moves away with the same velocity as the cue ball had originally. The xasf zf;*.djde7 fc*8type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides panr6ut3 :gb0with a heavy exer30:bnu rp 6gtacise ball at rest, the beach ball's speed after the collision will be, approximately,

  A golf ball travelin w iga (qwprri;;u9()sg 3.0 m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is a g; sqwrr9)u(;ap(iw ilmost 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 ela,;6nuh wf s4 dmvr,+awstically with an identical ball at rest. What is the ,wfu,s ;d6wv+ah4mrn speed of the initially stopped ball after the collision?

  A very heavy object moving with speenza.w 6k9muv/d v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heaa m.k znv/96uwvy object barely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collidl8pe23l tfu0gmr4 /fx es head-on with a very heavy object at rest,e2 4r8/ gful3lt0xmfp in a frictionless environment. The collision 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 collij7uy; bvyi:)40f umce,eyfx ,des 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 afy 0:fuefj,4)cyum 7v;y bxi,eter the collision?

  A very heavy object moving with velocity v collides head-on wx/:lam09pka i ith a very light object moving with velocity -v. The collision is elastic, and there is no fric9pai l0x/m: aktion. The heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collisi, v*;w)mh rikug7q 6(oechu7ron, if the momentum is conserved, then which of the following statements is true about kinetic energ 7q *(grwkom),ui6h urcv7he ;y?

  Two objects collide and stick together-c d3gc v6m1ar. Kinetic energy

  A 3.0-kg object moves to the right ax/d-j(td.; 2wudc);qu sn lbyt 4.0 m/s. It collides in a perfectly inelastic cocdds)-;uj;2yb nd./ (l qut wxllision 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 st4:k3uxmdtt6c.:xg pq.gb 2d bicks. Which object experiences the larger magnitude of momentumtp.bktcgd:q g.bd:2x6x 34um change?

  In a game of pool, the white cue ball hits the #9 ball anoxv/0+kap kijj9h ;p4rar9n +d 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 mg874l ftbouc2g h uv.3asses, M and m. Which of the following statements is false?7gfut2 4ov. l3hbuc8 g

  Which of the following is a false sxm ahho 4.9+v8aq4dodtatement?

  Tightrope walkers walk with a long flexible rod in order toc nw)dcgod2lh 5oo9*)

  A plane, flying horizontally, releases a bomb, which explodes before 6jxhf7oek2r9 hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the ex f o96je27khrxplosion

  Two cars collide head-on on a level friction-free road. The colll* 6maqd8p5knxglu9 ,6t 4fw oap,hq6ision was completely inelastic and6mxw,lqgd o8n4h5f6pqt6k *ul,a 9p a both cars quickly came to rest during the collision. What is true about the velocity of this system's center of mass?

State Newton's second l q n4.,yxht :;tcv5uvraw for a system of particles.

  What is the momentum of a 2000-kg truck traveling at y pxup(xd+z +axj0s4dm0 xr(3 35 m/s?

  A 1200-kg ferryboat is moving south at 20 mikm3fp h(-t3r 4/khuf/s. What is the magnitude of its momenm/tpk4 h3-3ffhk rui(tum?

  A ball of mass 0.10 kg is dropped from a height of 12 z)jxa6 n*od -l:u.0a, yseky bm. Its momentum when it s) bak0aezx*.on:-,y juls6dy trikes the ground is

  Two identical 1500-kg cars ar g svghfbi.ul31a q+)1e 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 th1bvl1+gaq . gi3uf)s he total momentum of the system?

  A handball of mass 0.10 kg, traveling horizon0r3guor ccj 9k)wk-)btally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the momck)c3wr )ugk 90 -rjboentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speulqnw3sc 9z 9+ed 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 momentum of the ba93zcqlnu w+ 9sll?

  A 50-kg pitching machine (exmwjz(vcvsu9(rgth h7ay g8(p y,/. nv.)v:hi cluding the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of :cv h nyg(8.si )mu/yh,jw7 r.g(a9t vv(zh pv35 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 ft02z ,t 5o,n3yqwpk toutside 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 3kzwptnyqtof ,,t 025hammer 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 head-on a largf5trg;k /s0 wfe object at rest. Th0k;5rtfg / swfe small 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 ic2 pn8hnu .z4zp/)ffw3juth6 ) khxlz5e at 4.0 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 speeu4 xhlnhkz65.fw))2h8/z fjtnpzu p 3d do you both move off together?

  A car of mass 1000 kg moves to the right along a level, svqmaay 8ku5kjd;yx fc:9: 0q:traight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is thx:y8:;yk fv qc u9qa0a 5kdjm:e total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs ino )7 eqm*;uv* i1dt, f7yayxkbky 9e,bto the rear of a stopped car that has a mass of 1500 kg and they stick together. Whamy ;9v1,* 7e ibuqxa7kofdyyb)*,e ktt is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowe:3owf;e w0g8ah 5 n lhs)bfq1od to coast along a level track at a o05g;qwe:sa)l fw38 hfbh n1o 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 cars after coupling?

  A railroad car, of mass 2,ezyad/ n2 xlrq, 0up500 kg, rolls with 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 will the car be moving after tqn,0edapx2 5yr , zu/lhis happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 mp0v3d;z;h:y fr,ntaa4 yok;u/s (with respect to the log). With what speed does the log move, with respectr0y3vho,p;:na zf ayd;k t;4u to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly increases to 3clrd skc03y;15 N and acts for one more second. What impulse was imparted by these forces to the objecty 3 lcrds0c3k;?

  A constant 9.0-N net force acts for 2xdb,un1pk,u;6 x 8ic-p,x8f1o lp r us;a) yjj.0 s on a 6.0-kg object. What is the object's change of r a-jubuf;n ) s8,1 p ko8jx16;ypip,cu l,xxdvelocity?

  A 2000-kg car, traveling to the right at 30a m cbm4e/*ii6twju+ h60qg d) m/s, collides with a brick wall and comes to rest in 0.20 s. What i4dm*/tj6cwqa6i gh+u 0) m bies the average force the car exerts on the wall?

  A 2.0-kg softball is pitche9om-tta 36 6wy7o (mqdoktvt8v,. ehud to you at 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in cont d6muyo v.(qttm ho3evtaowk-7,t968 act 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 61bwm86ymqt3cht vwkn 0wpb q92s:/ha table top. 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 tp1hkq2 nt6 cs6 8hmv/wtq 3yb0mw:w 9bhe magnitude of the average force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fir5hr.)c .kmkn tes 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 exertkchr.n 5) m.kted on the machine gun mount?

  A fire hose is turned on the door of a burn*o;2od4t we rbing 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 stre2 eoodw4*tr b;am needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. o7/7x fqu u1q5vcp: gv It fallsvq7qf5gcu :p/x1v7 ou 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves t87 4i; 3+uotev mjunfa velocity of 40 m/s after 3.0 s, when fired straight up.8;fo7uti3unm4 v+ j et What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer space.8e k2*sjvic 1ilk(rw h*8pj8i They push each other apart. What*v1iphe8 i8(ljjric w8 k*ks2 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 cz6s1esio 0 v;wuti2 x;ollides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 muti; 0 ixsev6 2wo1;sz/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a nx cnqe0dn.5*dt5m.x head-on elastic collision with a 0.15 kg object initially at restn d. 0txcdq*5nnm.5e x. 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 1.00-kg block at rest. The bu8g em:bhxlhhor /7a)/llet emerges)lgxm: h/ or7ehbha8 / (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 collision?

  A proton, of mass m, at rest, is sq9ujz*gvk/fu9l)vf+s ( l n1p truck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision k* f99ulfuz/v1l g+nsq ) p(vjis 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 with a stationary ball of mass9pdd hjrl-o-ndc3 lrw:0c6 5n 100 g. The collision is elastic. What is the speed of -rl dp6c9o -j w 3d0h:n5dncrleach ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speebq2)dka a6c( ed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The ca ed2c)kq a(b6ollision 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. 2l j5, ntr6haf3iip3w It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of 3iwnr6 h jal5p2i,ft3the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides he0uk 9a:jevp7vad-on in a perfectly inelastic collision wit7 apvjv:0ek9uh a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveli;f2a ogu t1j/yng with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fractio;g1aoy2u/tj fn of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 3d7vs gj8zpj3213 m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combin37pvzgsj38d j ation 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-.l*s me2zk0fd-ji4be kg car traveling at 60.0 km/h south. The two cars stick zed4e2i. b-*jsl0f mktogether 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 easx(ax/puy*lv7 hn)qo)t collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisi/uqh(a y*xo) xnvpl)7on. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object4 c hbf..ctf6a 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 their combined momentum after the collisibc.fh .f4 t6acon?

  A small bomb, of mass 10 kg, is moving toward the y4 r+c jwxv5adt83d. tNorth 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 velocity of the third fragment? (Negle8x5 ta4vt.y+c3r djdwct air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at x = lke3( xrhccmr y3ns rr* cna432-4x .k+ 21.0 m. Where is the center of massa* k4x(e 3cc .krmxs yrc3-rrlnn4 2h3 on the x-axis?

  The center of mass of a two-particle system is at the origin. One particle is bi/bw) x,t4.67mt1 c7 xczzsi2ck hlblocated at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3. ccsibc.)x 6lxbtit 21w7/74khz,b mz0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, 0), 2.0 kg at (2.0, b0yx8 bwn*y:-7m elx k0), and 4.0 e0bxxy- nkyl: 8wm7* bkg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 bpfp 9-7nnxhb ues8r91q2 v3azts)0zkg, and 3.0 kg, are located 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 mass of the sp7rtsxhseb-93 zfbnu1 z28v n09aq )pystem?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is positioned at (1bs-a/nts mi)j 5u*h z(3h0rif2, 0). What are the coordinates of a 4.0-kg mass which will r/b5 *-tz(jih)ash um rsn i0f3esult 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 includingr jo huvyt/hsmo8g-9p(w 3). i k6cq3x the foot when 3)ut ky o-x(c/ qpm86iws9g 3ohvrj.hthe leg is stretched straight out. Assume the person is 1.60 m tall.