What is the SI unit o:q94k9hq4b +c scbl 1x n1cjvxf momentum?

  When a cannon fires a cannonba7d*v9 rk3jam 3/drylcll, the cannon will recoil backward because the

  A freight car moves along a frictionless level ii*wiz m c djncc5gk052/9h /frailroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped intochd/ wi *kji 5c2gi09mcznf5/ the car. What happens to the velocity of the car?

  A child falls sideways off a sled whil/ntk4+ywhg 9u e sledding on frictionless ice. What happens to the v/9 4+hktygnw uelocity of the sled?

  A rubber ball and a lump of putty have equal mass. They are qobxod)o- f7i ,4uf 1pthrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. i4q-1o), pouf7f db xoWhich objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would yn )wmrkeq 64s/i08upcou represent its kinetic energy in ter p0rk sc 8uwin)mq64/ems of these two quantities?

  If you pitch a baseball with twice the7+aqtpj9y,s k kinetic energy you gave it in the previou+st 7ak 9yjqp,s pitch, the magnitude of its momentum is

State Newton's second law in termsim vsx s32.9tf of momentum.

State the law of conservation of momentuma . n0vfstw +2a/iwxc4.

  The area under the curve on a Force versuiv cyc6x0ny*u2sab0 8fl 7x ,is time (F vs. t) graph represents

  Which of the following is an acc+e:-o 3vppmiu; hnx/qt1or/ xurate statement?

  A small car meshes with a largdy6ce. )i ,sepe truck in a head-on collision. Which of the following statements concerning the magnitude of the average collision force is correct?.6c )d pyes,ie

  Two equal mass balls (one red and the other blue) are dropped from the sp/m 9e wjilzcncw b wymf43*t6280rf5 ame height, and rebound off the floor. The red ball rebounds to a highez2l cmwt wye8 fr0p b4f63j /*mcn95iwr position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball movinui 9wo 9/xv0zsg east at a speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowliuoxw9 9v0s/ izng ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each ot.g1 yqk -.d4nr5fi6rn8 ih snsher. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6h /zcpbo(4gr (t)y) 50v:p, ecx gczau.0-kg object moving to the left at 2.0 m/s. Which state p4xz/,0ahvep)u )g z(yto:rcbcc g(5ment is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80si-( ;xaktb q6-kg halfback ;ia (bqsx-kt6 running
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 fe, t 4za1ppy)gollowing statements is t )pyap1t 4ge,zrue about kinetic energy?

  When is kinetic energy cf /1r -o kwsdm+q7fx*vonserved?

  In a game of pool, the wb5p )pqmaby6u2ij 8c+hite cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had origina)mqb25pc8ub +pj6 yially. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s colli6aecsrbmf kd9p7: ,(kdes with a heavy exercise ball at rest, the beach ball's speed after the colkr:b7ae, 9fms kcpd6(lision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisiop89u*cill zsqfw/g l0 12jvi/ n with a stationary bowling ball in a friction-fr2juf p9ll/1 *i/z 0iwcqlvs8gee environment. 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 t;*9g7p kqb0b omrb9d collides head-on elastically with an identical ball at 9 09k;7 qobmbtd *rpbgrest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-onczr t3v tpv0)- e45-qs-txybr with a very light object at rest. The collision is elastic, and the 5c)yxvr-0 tsrtb 4t-pzq-3vere 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 verr* j1-c/1rigl42aeiwbp ; vsay heavy object at rest, in a frictionless environment. The collision is v-r r*c1 ;g 4li/1baasiw2e pjalmost 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 bpl,e zpq)nwg;0 zgtf2z u4o )8all of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellowwq)84g,ol z nt0fpz)ueg ;2z p ball after the collision?

  A very heavy object movi4gt9gb* f udcda(-0syavp+qau i3d8 x3y +bk+ng with velocity v collides head-on with a very light object moving with velocity -v. The collision is elaf g +-yqt+dc3bb 049gaa*3(adsup ixyv k+d8 ustic, 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 thex xa0dz.3d9a09d1/o . k oevm-uftdg b momentum is conserved, then which of the following statements is true about kin 0doxao.1vk9a0t/e 3.-bfz m udgx9 ddetic energy?

  Two objects collide and stick together.9;2 k1mk zkfpe Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly i/x:c-mc9x(cyl4x hwpx b. avxr(.ui m6n w5 .znelastc.pm 5(w zxcxh6xmi(l.vruby ./n4xx :cw-a9ic collision 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 lu 9*aw lk5 g/ict8paz3arge object and sticks. Which object experiences the larger magnitude of mp /alw3g5i9zt* ak8cu omentum change?

  In a game of pool, the w fsyw+9s 3m)ks(/oohu hite cue 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 the following statements is f1txmmsa(t l :z5h 4tl6alse? x (th5a4lz 1mtm6:stl

  Which of the following is a falo a p1 a/trs)jsqb9j;9se statement?

  Tightrope walkers walk with a long flexible r; 6ex)ud oyv l1pi0pc jk9:oi5od in order to

  A plane, flying horizontally,az .,ig ;o1kcr releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the c1.iz,;og rkabomb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The collision was compc a(7ajqn gsj3-3:mwew 54vfv letely inelastic and both cars quickly came to rest during the collision. What is true about the vvv4- a7egcn awf(m533:jqjw selocity of this system's center of mass?

State Newton's second law for a system of particyjfkw.sy 5-uuh4/ q0u les.

  What is the momentum of a 2000-kg truck traveling at 35 m/xzy59hp 8q5;u l-fcrb s?

  A 1200-kg ferryboat isjam 07zc+ u/jv gk+8rgs0/lhn moving south at 20 m/s. What is the magnitude of its mome7sj0zr kaug c8+mv/0/hnj+lgntum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its momentum whenjr2-7 r-zo2 vbgy8btr. q h:yr it strikes the ground-b.gjryr8tr q:v 2rz-7oybh2 is

  Two identical 1500-kgz5cju ui :k2,i cars 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 the total momentum of thu2k: ijc,uz5ie system?

  A handball of mass 0.10 kg, traveling horizontally 1,vr 46hs-na6ugmpsh0hl+ sqat 30 m/s, strikes a wall and rebounds at 24 m/s. hsmh - a0v h1pss,grnu66q+4lWhat is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at,hi7dcsrf y4x+wao 46 p 2nu;n a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direct72,o 4fdshc6ix4rn py ;u+anwion at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the b7zfdc y;5ty 3 2bq(epmaseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recyf2(zp ;td5y73b em qcoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is zq3u1oa*0s8p qgkod*n( hsf h1zu0 g 9space-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 speed of 14 m/s away from the capsule. At what speed does the u(g 9nhszus oqo*kq z* 0ahpfg011 d83astronaut move toward the capsule?

  A small object with momentum 5ds56 wndf rnk6s/zj.e9 px.u;.0 kgm/s approaches head-on a large object at rest. The small object bounces e js .u/pr;9fxn65zwdn 6ksd .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 4.0 m/s to greet your friend (40-kg mass), yl7ij 8np-w +bdk2 +2 rcypk*rwho is standing still, with open arms. As you collide, while holding each other, with what speed d rwrk+yjc ln87 -+*2pi d2ypbko you both move off together?

  A car of mass 1000 kg moves to the right along a level, sibf5v1 y4;ieuq8r .kp:a 2wncq 7s7hgtraight road at a speed of 6.0 m/s. It colr5 1qy sg 8h:2aiw vn4qike.fp;7 buc7lides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs into thec y8i ptu)h5d4 rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars after th i ch5ptud)4y8e collision?

  A railroad freight car, mass 15,napw rb1b1.z0 h;dw7u000 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 arw zb dn;bh11aw7 .pu0nd with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 +vn ( . iesm ,hrh 5rnl5udoa/pobf+b:d5:1ekkg, 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. Howiv.rmfda/l r5ebn , hp55 ohn:s:d+ke bo +(u1 fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg lwv 2cex9b5xf18ugwdg6 es+v + olw.a( og at the rate of 0.80 m/s (with respect to the log)+8agw65 dwb 1w+(xxle2. o evv9g fcus. With what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force wd-b (uf md8b5suddenly increases to 15 N and am5 d-8b(bfwdu cts 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 oxxs /e5e328 ikuqvtcwnn w.r,q 2) hk8bject. What is the object's change of verki8,t8h x /)we xq5nw.qe23 usn2kvclocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with y fy 1qg))0o2qtnm1hy a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on )fo2t qghqm10yyn1) ythe wall?

  A 2.0-kg softball is 7 . gam3znrcv5,zqg 4dpitched 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 conzdmc.3g a4 q,5zg7 rvntact 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 s0v1 ;iyn8kgs6 tfxx nq*;mr x-t:n.lepeeds of the ball right before and right after hitting the table top are 5.0 m1 gf6mr-*v kqsn xyxtlx.n;t; 80e:ni/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 top?

  A machine gun, of mass 35.0 kg, fihys.(3t s8b2 x1st zulres 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per miyx1(3zut h l.s28sbt snute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building qm3ye;;of0 op in order to knock the door down. This requires a force of 1000 N. If the hose delivers y 30; ;mfopoeq40 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 drainpipe at the rah*7 sww ov:8kqte of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water does ks vq7h8*wow:n't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity )o4r /s1 bq8 kpwjjl;x (1udgjof 40 m/s after 3.0 s, when fire)bjxd1l4 (uo; pj qrj1gs wk/8d straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outdv-o c:.w a1pfmvzpfh7- gx88er space. They push each other apart. What is their separation after the licdwx vmz8- fg.fv8: a phop7-1ghter astronaut has moved 12 m?

  A 3.0-kg object moves to the rim6kh+9yk x +9n1rfks ight 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 the total kinetic energy after the co+x9n s 6kk1f9r+yimk hllision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +x direction makes a h qq)wwnaz 1w8a8 5pij9ead-on elastic collision with a 0.15 kg object initially at rejz58q9naw)pwqa 8i w 1st. 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 1.07pu ( x 3l,xk4yu0tgeh0-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 u ,uklh0(tp47x y3exg collision?

  A proton, of mass m, at rest8mx-4o 6u4kaoer k kl3 pm9(nnw+c*vv, is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrc+9nwok *ko nx8(-m4ukrvpm6ev a3l 4ons) 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 collid6sf:b* ai*e0mo d y -*q.cdmxkes head-on with a stationary ball of mass 10 .oem0*a*f6bcmqkyidx:- ds*0 g. The collision 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 collideit+,6n9h cb qc2q1s 8kxxcv u4s head-on6 k2hs8nbc xcuv4,q9tx +q 1ci with a 200 g ball sitting at 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 kg3t yzavbda2 4dw2) l0u mass at rest. If the collision is perfectly inelastic, what is thy2vwlad0u 4db2a)tz 3e speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s colk3(v9ohph5q7uc9 h2 os zxt2 olides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic enepzotcs q v395u 2ok(h 2hh7x9orgy is lost during this collision?

  A car of mass m, traveling with a velo8d6er, d7w +bcbxh.lgcity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the inib 8l .wrd6egdbx7 +h,ctial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical directi0k9zcle(7,h3duh6xog 9 f vt son buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/blodl37k,g ex 0hf (uvo 6hz9c9tsck 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 with a 3000-kg car trav keel l3/*60lvb8 wweq6 c;esseling at 60.0 km/h south. The two cars 638e/w; qvelkb0*wlss 6ee lcstick 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 c2n*nxye4 uev kc* s99bollides with a 3000-kg car traveling at 60.0 km/h 2*vcxy9* un4 eesk 9nbsouth. The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a levelyb,ru(7 idfz5 frictionless surface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/sizy(uf5r7d, b. They make a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 k2r2 ,jefjxjm9 g, is moving toward the North with a velocity of 4.0 m/s. It explodes into three fragments: a 5.0-kg fragment moving west with9j 2jm,erfj2x 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 4kmf)*(mys5xxszl : h10.0-kg mass sits at x = + 21.0 m. Where is the center of masfm5 l*:zk4s( xshym)x s on the x-axis?

  The center of mass of a two-particle system is at the orig*gjfd) se8)athm- sg b 9f)-rjin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the sefsm) -b j))gf*t d 8h9gs-arjecond mass of 3.0 kg?

  Three masses are positioned as follibw: 7v9.lsdrows: 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 center or vb9:i7sld. wf mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, arx n :8do)uwa)cc,rxn +e located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the lo,cxod :wacun)x n+) 8rcation of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mas8e2e6 aa cwyv,(e 9.obj xc9has is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system of three massy xa8chejw,(.ea c2vae99bo6 es being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the u *2eu j4r3vkoposition of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the uuvk eoj342*r person is 1.60 m tall.