What is the SI unit o*bk46sc il u4qti nl(2f momentum?

  When a cannon fires a cannonball, the cannon will rec39jsobu3 tc-wrkc *l /oil backward because the

  A freight car moves along a frictionless level lz0onflvjz1u 1f8ca7ma7, 7fl7 f5 cnrailroad track at constant speed. The car is open on top. A large load of coal is, nnuc 7l51f lfo0 fz77 1czlf87vjama suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled ky-yxse7 ; yr8;qja1t while sledding on frictionless ice. What happens to the velocity of the tar-;jeykqyy81x 7s ;sled?

  A rubber ball and a lump of putty have equal mass. They are thrown with eul ifi1,71v0z5 6ezazkbgm y +.uyyu+qual 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 momentum cuk,1y7liu z5yb 0mvz+iuay6+1z g ef.hange?

  A sailboat of mass m is moving with ffk (826 iufota momentum p. How would you represent its kinetic energy 86uiffkf2o t( in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in thar 0 7/lolz.vhe previous pitch, the magnihrov0/zl7. al tude of its momentum is

State Newton's second l(lcz- d 64hufrt19abjaw in terms of momentum.

State the law of conservation of mom4tm;ftp ro(8 sentum.

  The area under the curve on a Fo4ol g0v6vasef 0-pw/h rce versus time (F vs. t) graph represents

  Which of the following is an vj(e5yk egd ls.* lcd:a:(72qom m o/zaccurate statement?

  A small car meshes with a lac,upx k.1c2crr x d(0n,jtq)k/2jrctrge truck in a head-on collision. Which of the following statements concerning the magni t,xct 1/ (2d0.knjp,q crkjr c)r2xcutude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same hexyo u/0f.h 1ruight, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected tx /ru0yf1 .ouho the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 b dy6f -x/- drwt(jqejq.1gq01.oorqm/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowlingdf 1y6dxwq.rjoget q .jo-0/br1(q- q ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linelzecs9jxk:++sz 6a1a8 +nw slar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.0-kbex jm.3s/j v0oo wmmumg 1689g object moving to the left at 2.0 m/s. Which w gm v 06mo/o1um9jbm83xj.esstatement is correct?

  A 100-kg football linebacker moving at 2.0 m/)gvh*fc rtz58s tackles head-on an 80-kg halfback vc*zf5) h g8rtrunning
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 followiy bsohw5.8*0vtz llw :ng statements is true about kinetosyvwhtl0b l *z .8w5:ic energy?

  When is kinetic energy cons:d,t;lg rsax- erved?

  In a game of pool, t1(+6 owy0fla; r8jtciz gr( pbhe white cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball hawcpaib;lr(zory01 8g 6 +(f tjd originally. The type of collision is

  When a light beach bd;e2qyigb7 o z+ir*+j all rolling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be jb o7r*yiq++edzgi; 2, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collin z;c.4l 7alwrsion with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immeda4zn .w cr;l7liately after the collision is

  A rubber ball with a speed of 5.0 ssyivbu; y+2wjd+gt/ 58qo (tm/s collides head-on elastically with an identical ball at rest. W+2 (t oy+wgd85/ ustyqs b;jvihat is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a euy w9vw vq zr68.lh0(qe9yi 2very light object at rest. The collision is elastic, and there is no ew (y .w0iy2z 8hvu969rlqqevfriction. 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 a7dr 3i: okt1jr0 adxd+ very heavy object at rest, in a frictionless envi1k : 3o0dr7drx+idtajronment. 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 collides head-on with a yellow hl(arjadl:. g :6j:eo 7v .vpwball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the col( ev7da. j lwjgpah:.vlor: :6lision?

  A very heavy object moving with velocity v b)z/d6wn8g fcx zp8w;collides head-on with a very light object moving with velocity -vpf/) zz; 8wdbwn6 gxc8. The collision is elastic, 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 te,c kkm:2e,jjg buh+q . ba*/ahe momentum is conserved, then which of the following statemenue*m eahab /,2, .jj: kkb+qgcts is true about kinetic energy?

  Two objects collide and/v vqv ja)i;0e stick together. Kinetic energy

  A 3.0-kg object moves to the right x: b 9csl i j-dwqo),0nc8giv2at 4.0 m/s. It collides in a perfectly inelastic collisijowdcv b:g2i) qnli8cxs 9,-0on 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 / xqwl f;izs42with a large object and sticks. Which object experiences the laqil 2;zf/4x wsrger magnitude of momentum change?

  In a game of pool, the white cue ball hitbu3 ircp::hzo1 pgo1zk9bl0 ; s 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. Wj0h+ i(6ma qsohich of the following statements is false?a+6 oih0 smjq(

  Which of the following is a falq g3(w mk,qnrpf h/;-cse statement?

  Tightrope walkers walk (ee148.dgpvxnos fh6 cs/6l u with a long flexible rod in order to

  A plane, flying horizontra,x bce(e(2 oally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after thac ,e(ebro(x2e explosion

  Two cars collide head-on on a level friction-free road. The clj2 f.;3xliivb .u9cw7rpxm;vek )yo75 tc -s ollision was completely inelastic and both cars quickly ux.fvt- 52i;cs77rvjl kw 3bpmex.9oil ;c) ycame 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 systemc4i0: fa ca5hy of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/s1:8 4crrtals1:f t mos?

  A 1200-kg ferryboat is moving south at 20 m/s.o**gb):zdxdc/v7 5v fh5 hmdt What is the magnitude of its momentuzo dhd5mhc)fgbd*v:7*5x v/tm?

  A ball of mass 0.10 kg is dropped from a height of 12 m.ng7vmlg qc s4z( :(azh )5utsp0 (jdk/ Its momentum when it strikes the grou5 zadjtnhqs)( 7kl: m/p40gvgc s((zund is

  Two identical 1500-kg cars are moving perpendicular to each ypcho g37yh9xkg. 7j ghc ;:/xother. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due ea y9hy jx.khg;xcpc/ gh 37go:7st. What is the total momentum of the system?

  A handball of mass 0.10 kg, tu acm7d( 3rof5:q*me nraveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change(c:mruodf* 53 qm7ean in the momentum of the ball?

  A 0.060-kg tennis ball, initially m:iz (4zqvg+r aoving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at :avrz+i4(qzga speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machf15d)en: l/ d2exwxo uine (excluding the baseball) 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 recoil speed of ol x2fnduwe /e1 x5:d)the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and zn7ky:vd; qwx3,v4oxc t38 fdis stationary when x7,t vdn3;:vw x dyk4ocq3 8fzthe 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 toward the capsule?

  A small object with momentum 5.0 kg -h+d5 f z,iyptwvs,fzmg lqo/2 71jn0m/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentuzv p-n sfg +zjf0 ,/q1myo ,75lwh2tidm change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mhs1m ;/5jhwz,1v z*4azi ogmaass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both moz4z h *;zgahjoiam 1v/1 ,s5mwve off together?

  A car of mass 1000 kg moves to the right along a level, straight road at a speed4uayq4gl q;6 7kj+v+rrase)ot1rc a3 of 6.0 m/s. It collides directly wit 1jl7)casyg+ke63q+4ra oa q;v tu4rrh 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 the rear of a stopped z ld47v+f.ay ao:wc1cd1wlfs,te 2agjju 1 ;+car that has a mass of 1500 kg and they stick together. What is the speed of the c:+a2d y . 1jwgcfl11dvaw+,j 4foeua7;s zctlars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to c5ty*m4tkc :* qfvlz, loast along a level track at a speed of 2.0 m/s. It collides and couples with a 50,000-kg second cl t5 z* v:fmk*,t4yqlcar, initially at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 20hga ( u hde;2wv34v2du0 kg, rolls with negligible friction on a horizontal track with a speed o;da 24hhv d 2g(uwue3vf 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 0.80 m/s (with x)p.z gh1bk* (onp,nsj 0m d6frespect to the log). With what speed does the log move, with respe xz(n)6p.d01* ngpkob fs,j hmct to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force su0 (u6 mfmx 8xgipps/0jddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to thep0 ms6j8(g mfxp0/ui x object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is the o.b j.6gvrv++l19d 72j-mj orj gisxumbject's change of velrmu m+dgjjxjv l.17gbsj2-r.o9 vi 6+ ocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a brick wall and b04 c c8/dmlw*o / uayxq3hxan6+i,hpcomes to rest in 0.20 s. Wc3mx onuwq iyha/0* 4la c/,x6 8b+dphhat is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched t 1t5txt adm43jo you at 20 m/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 0.1314 mt5ttx ajd0 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is droppj:x k;go1rl s1ed onto a table top. The speeds of the ball right before and right akolxjr 1:1g; sfter 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 top?

  A machine gun, of mass 35.0 kg, firep7klpv 7 ;q (j49gglwos 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the averp(9qj o 7l7kl4wvgp;gage force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in ordkhkq(tybk *5vu2u+mv(2 oa)h er 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 oko v(v)kt h(uk2u2hq+m*by 5af the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per miyr(u3qvwe16 d:3p rob nute. It falls 3.20 m to ther6( 3ody :vqpwu 1rb3e 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 4pi nb py bq,10/d(enda velocity of 40 m/s after 3.0 s, when fired straight up. pde(q0 b 4bn,d1i/pny What average thrust force does the rocket engine exert?

  Two astronauts, of massffr;r i85vyc)b g36 fses 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is their separation after the lighter astronautsgc6 )yfif5rf8vbr3; has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. 3g-y)ekn g jp y);yw:zIt collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m:egjpw-y; )yykz g) n3/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 head-ok:xhwi /*0npdk +ta8v n elastic collision with a 0.15 kg objecva /8n:dtkx+ k0hwi* pt initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 ms5fkjba ;g*k4y dc*c *2m xmk)/s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with half of its of 2 kk)ams *cymc5*; b*4jkxgdriginal speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-onu,kxe6x wtd79xmkac) yt6,w1 hl7,z 5wtxjl 8 by an alpha-particle (which consists of 2 protons andkyx wtzw56w)9xjelhc8xkl6, 7ta7dmu1 x, ,t 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 moving +10t,umoq8leow v3n1gln ;u8 3+k m/s collides head-on with a stationary ball of mass 100 g. The collision is elastic. Wkq 81 u 8luv,oln;enwtm3g +o3hat is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.4iu l rrt7o(p+dbg(6 f70 m/s collides head-on with a 200 g ball sitting at rest. The collisio(rf glo46bd+piu 7(r tn 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 *v)j b8ccwex:with a 3.0 kg mass at rest. If the collision is perfectly inelastic,8c*e cbj :vwx) 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 collidi41vjak 6y*h xes head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision? 4yaih1x6k*jv

  A car of mass m, traveling with a velocity v, st5kjg1jai6ch wb/s;t 7rikes a parked station wagon, who's mass is 2m. The bumpers lock together in this hew/6si 7ga ck5 j1b;tjhad-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s inoby2 ,k sfl oo+a50hz- a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the b5, y0lohazo+sfb-ok 2ullet/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 ixk0u2v ns q+4km/h east collides with a 3000-kg car traveling at 60.0n42s ixqvu0k+ km/h south. The two cars 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 ja35 g-(osmh ehwj; s)km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two carsojs5- ;aje3 hhsm)gw ( 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 level frictionl65rvv t7)c yzsgi8r/ eess 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 inelastic collision. What is the magnitude of their combined momentutvre) /6zivgrs75 cy8m after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity o07zvn.sdsiujvja b)*hij n-5/*cr 6df 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-kgds/jn jv07 ) ii* arnjb6zc.hvs*u- 5d 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 yx tx6pn8xd) m;1voupx7- 2 ova 10.0-kg mass sits at x = + 21.0 m. Where y7 )xv dopo;n-xt xm1268vpux is the center of mass on the x-axis?

  The center of mass of a two-particleyww)v d4jw zzumo5rf .3o:1, b system is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of th,v14dfj3b5w.w :uyrwz m)o oze second mass of 3.0 kg?

  Three masses are positioned as follo0zjyck/i h7( bclj1 9dws: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). De1zbc y0dj7 kci( /jl9htermine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, * 2qy4n7hdlxqj p2 /rware located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is thyhp24/nrlw2xjq 7 d* qe location of the center of mass of the system?

  A 3.0-kg mass is positiont+b d ywi,,u.wqby*5eed at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of ,uyb,b+ .*ti ywwqe5dmass 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.f:in d9q *fhlm-4law including the foot when the leg is stretched st-afhdlqwifn*:9 m.l 4raight out. Assume the person is 1.60 m tall.