What is the SI unit of v6+u7 gw54qbgu5ti3 jlren7*jyawfe - .pm- c momentum?

  When a cannon fires a cannonball, the cannon will rec*r8))jy ph)xl.m*he vk 1c /b 1ygkoxpoil backward because the

  A freight car moves along a frictionless level railroad g3c qfx 5dz+0xqn/x 7dtrack at constant speed. The car xdqq0cz x5 + x/gdn3f7is open on top. A large load 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 frictionles8ve uhirn5; 1ks ice. What happens kr1ei;8hv u5n to the velocity of the sled?

  A rubber ball and a .evv t(x*e6bxlump of putty have equal mass. They are thrown with equal speed against a wall. The bal(tb. vxev*x6el 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 movi+aioce6vyfk b:1.;6 jwzj1 p1vs( dli ng with a momentum p. How would you represent its kinetic energy in terms of th fye( v1w iko1jjbi.1 6c;pz+v6d as:lese two quantities?

  If you pitch a baseball with twice the kinetic energy you g+)elsvv ;f2wb, 4xzz kave it in the previous pitch, the magnitude of its momentum izf;bxwlke s,vz+ )v24s

State Newton's seconsvb e5a20 b,y: ewix4; zxgtj7d law in terms of momentum.

State the law of conservatldfgz68,8jt d ion of momentum.

  The area under the curve op 3bx-0n5bvs qn a Force versus time (F vs. t) graph represents

  Which of the following is an - lys5j)y 0wvdaccurate statement?

  A small car meshes with a large truck in a head-on collision. Which of the fol2dwo ;dy*j/ jvlowing statements concerning the magnitude of the average collision force is correcj;od/2ywjv*d t?

  Two equal mass balls (one red and the other beo3 p*(s31,xeutdci blue) are dropped 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 collision with thed,sp(*c1e3ixueb3 t o floor?

  A Ping-Pong ball moving east at a speed of 4 m/sqkte (/g /0tmv, collides with a stationary bowling ball. / 0vt/qemgkt(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 during the collision?

  Two objects collide and bounce off each other. Linear momentum *8f/bvvr kca+

  A 3.0-kg object moves to the right at 4.0 mv dyb(z2z u1*bnq6f8u /s. It collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is corrf2z (1b*n6u db8vz qyuect?

  A 100-kg football lineba0gwtw hw.(1)+ sassob cker moving at 2.0 m/s tackles head-on an 80-kg halfback 1ss(s .aobt0)wh +wgwrunning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, b+ f*jgc4eoxhi8:u+ j if the momentum is conserved, then which of the following statements is true about kinetic enju g8be :+fj*xohi4 c+ergy?

  When is kinetic energy cons(y7wfir 7k d h5rflnmskh **98erved?

  In a game of pool, the white cue ball hits the #5 ball and stops, why xb,.n,*y/: hhd-a a,b pasvmile the #5 ball moves away with the same velocity as the cue ball h,y:a*bbyd ,mh/ .s v,axnhp- aad originally. The type of collision is

  When a light beach b*-v6 if18yehqcqo*3pse/ ejf bt6 x(nall 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 bj38fcxqhq(y/* v* e en66eb1if pto-se, approximately,

  A golf ball traveling 3.0 m/s to the right c7e c*gyq( 6c7--fn5gdne xb tmollides in a 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 ball i6 gc-n- ncmg7fdext b (5y*q7emmediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on iu gl0f104qvl *g bk2melastically with an identq00fgul l*v4m ib k1g2ical ball at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v colli/)dy rdp kzv(4des head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light objeczrp v4(d/)dky t after the collision?

  A very light object moving ,((ud,mpiwa h with speed v collides head-on with a very heavy object at rest, in a frictionless enviipdw(, h(a,u mronment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is

  A red ball with a vez xw-7 bd,,niklocity of +3.0 m/s collides head-on with a yellow ball of eq -,x bzwn7dki,ual mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides heezgu36jok3 sg,hmc- k45i1;i ,mw osxad-on with a very light object moving with velocity -v. 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 coll363exk zhjgi, sw5m-k,;o4go 1umsicision?

  In an inelastic collision, if the momentum is conserved, then which of thezx rgcoo 6 jjew37x+3qu3 m79i following statements is true about kinetice3z6q3x7c j3jw 79xo +guirmo energy?

  Two objects collide and stick together. Kineticx5) 6zy,fwi 82 xnkzar energy

  A 3.0-kg object moves to the6). w)hrfk : 1gpvjiqs right at 4.0 m/s. It collides in a perfectly inelastic co)s)wvgq1jf: kp 6 rih.llision 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 hanm21z g+ 66qx pxmmlr 9g74va large object and sticks. Which object experiences the larger magnitude49mlr g 6mv2a zhqx7nxm16+ pg of momentum change?

  In a game of pool, the white cue bab w59p(cthy+gcb5,aod8y bd9ovm7 , par(no 8 ll 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 stafn94q mj 1e(ldk*w; pa59uownf x5 zc.tements is false?w( ;9epxlq*au1jnz5 co9ffmd 4 nk5.w

  Which of the following is a false statrgue47k4vs 9 tm+lze 2ement?

  Tightrope walkers walk witbot/bsk8g62 s/:um 8hje e gr,w5jyx(h a long flexible rod in order to

  A plane, flying horizontally, releases a bombiw(,l3f c3kx g 2se.f;zjjhc9, which explodes before hitting the ground. Neglecting air resistance, the cent se3f.g3cz fw2jx;kcji(,hl 9er of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a lev: i6z+jtpq8f6zg oq u1el friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this sysi g6f 68j1uz pzqq:+totem's center of mass?

State Newton's second law for a system of particles k o:b p3k;mhwie3sc odc u)k9/yrx,/,.

  What is the momentum of a 2000-kg truck traveling at 35 m5.m gnllo)-8 apzqto1 /s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitu54yrgt dh; k;2zj+ *qo4+bhfmrh xbu1de of its momen r q*yztf oxdmgu;+h5hbb 4jh4;rk+21 tum?

  A ball of mass 0.10 kg is dr/:puoo *12 mynikt+ tbopped from a height of 12 m. Its momentum when it strikes the ground tm* t: /1 uokiy2npob+is

  Two identical 1500-kg cars are moving perp1,jd sh4l /bioendicular 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 the/o4s1bh,jil d system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, (etw)ia c(lb 2strikes a wall and rebounds at 24 m/s. What is the change in the momentum of ti()wlc2a(e tbhe ball?

  A 0.060-kg tennis ball, initially moving at a speed ywzb a)g5;8 ktof 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of ;ygt8)k5 bwaz 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frod(/nd(vei fin 0c du35zen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s iniiduec(5dv/d f 3nn(0 the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and is stationjqf 8-enni*f.3 enx;b ary when the tether line breaks. As a means of returning to the capsule;e q fef*.8ibnnx 3-nj 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 kgm/s approaches head-on a large objbpmf3xc 8pi zy1/t+8r9 mjko4 ect at rest. The small object bounces straight back f/x8 izp 9m+ j4 381cpbyrtkmowith 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 friz;cpsgfqs3,8 6mtk. fend (40-kg mass), who is standing still, with open ;g.c6ktss83qfp , mzfarms. As 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, stra +zhgo2rnj a/ i8gs5u;ight 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/zr8gh2n +ia us gj;o5 the collision?

  A 1000-kg car traveling at 25 m/s runs into the ru gy70kyxfr)9 ear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars 0fry 7 9kxy)ugafter the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level track4x07sgw;rnn g at a speed of 2.0 m/s. It collidg xw40ng; rs7nes 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 200 kg, rolls with-dtqf58. ua n;dgoq j* 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 m; f*n-qtg.q8duodaj 5 oving after this happens?

  A 60-kg person walks on a 100-kg why1h vjx li9*swgbhq::*nnd tr4 -l; i9v)h3log at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with respec; b *xit9jnd19*ghlvq h)nhl4yihw:s: -v w3rt to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly incra74 ef:7fwgr/j f bxn)xxz -h)eases to 15 N and acts for one more second. z wfbf 7x4ngxfhae):)7j x /r-What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts58e l wciri1 s3tuwr /j2(eofm+c6/p q for 2.0 s on a 6.0-kg object. What is the object's tu cmecwi1i/53rfj e8p/ 2wl+ 6(qroschange of velocity?

  A 2000-kg car, traveling to the riy dxkt 9 vpr 4u00hh8k:;zww-8uyia k3ght at 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on h9uu00ki-3t;axvk wr h d8 z48yw:ypkthe wall?

  A 2.0-kg softball is pih cd-za2zd 54d1cxk 6ttched to you at 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat4cha k1 ddx56zz2-cd t 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 speeds of the ball iqk 2n zlj;5t)right before and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively. 2jiqktzln)5 ; 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, fires 50.0-gram bullets, wit)l( 6sfo2bz*szl5 asah a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted o 6 l(zbfos5a*za)l ss2n the machine gun mount?

  A fire hose is turned on the door of a burninjok 0ha-6zsc+g 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 min-sjzh+oa60c k imum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizont:bq/ 3z ua,gv;xn, nmfal drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what averagb,vzq mgu x,/n3 f:;ane force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocfqv,/ k h7af,bity of 40 m/s after 3.0 s, when fired f,fa, 7bh vq/kstraight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer s uc+*o3d f,l p05ukouhpace. They push each other apart. What is their separation aft*0,uou hp+d kf3lu5co er the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed of 2.0 m/s. k*v/cvrw, p+i u3fen- It collides in a perfectly elastic collision with a 6.0-kg*rfie ,nv+w3/- pucv k object moving to the left at 1.0 m/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 directionpqdnp ys8kar0,(n9+ c makes a head-on elastic collision with a +p,c8ak9q0ns(nry pd 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/sim2lx3 duz d+xmn0;m rf5x2p6 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 original spel02zm2ir m m3 xpxdd;+6x5 nfued. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on8tnq+, tjgf khuki+ t(ad;( m8 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? (Assume the neutron's mass equ+8ti( dfngj t+(kuthq,ak 8m ;als the proton's mass.)

  A 50-gram ball moving +10 m/s collides headyg4de5 *epz 4yv(qu3x-on with a stationary ball of mass 100 g. The collision is elastic. What is the speed oe4exyd(yvq3up z4g *5f each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s coll8qx zjg .rt7;x;zfo2w.y 6 hehw6qg;wides head-w8e;oz xxg66tqhf .7rhj2gyqw ;z ;.won 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 llqo5 ;i7 clibftbtu/dk::d-8t 0h0gcollides head-on with a 3.0 kg mass at rest. If the collision is perfech; kdt /7o8lb:gc5: qut fbt- 0ldl0iitly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed 0kg u y3lvn do/o8;l9oof 4.0 m/s collides head-on in a perfectly inelasticv/ no0ygludl k;o3o89 collision with 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 l ) j cq6i1/z7q(.6agzg l7s6ajnsfnqparked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this colljqfgai1lzl /as7z( g6j s . 7nq)6ncq6ision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself in a 5 nm)cb5-thi-2jqzub2.4-kg block of wood a rest directly abhtb n5 2)qu-czji-5m bove 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 collides with a 3w 6m v d2t ybrfk*)pf ipb7wy(x00kj)9000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the s v0j k* fydwtxpb0()f97yiwp)b rk2m6peed of the cars after collision?

  A 1500-kg car travelinltq 9rb3w8xp*5r o+ij g at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick toj*wr3boq8r tx+9ilp5gether after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on w(dkub tn6 z+mqa*uc.z fh7y 2;da7ts;nst)4 a level frictionless 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. Whas7;.hd4k t ;(d 6utywan*as7 nz2 fqb+zc)u tmt is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, ., d4f lgs7b- uujre.tis moving toward the North 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 ealt ufjbd. 7ge-s.4ru, st 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 wxs-tzb 3i(m: dty57ythe origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of m7zxtd:5( swby-tm3iy ass on the x-axis?

  The center of mass of a two-particle system is at the origin. One pl-q +hhka2l d:article is located at (3.0 m, 0) and has a mass of l+hd-q:2 ha kl2.0 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 at ogxb adbb/cq/y8q *70(2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of mqgb08/y7 bxb/cdo q* aass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, arm b ,:ltj ;fz9rt7w8fye located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What;b7z8frljmt y wft9: , is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass isk+420 wzyz5anrmm5a.: gaqzpik c,) fkn m+a. positioned at (12, 0). What are the coordinatmz a4m: nk afz , 2nq05r.)ky+a5wzp.ca+g imkes 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 the CM of a +/qjhu8ce6 a5 lm j:vwwhole leg including the foot:+v um/5h j8qlc6 ejaw when the leg is stretched straight out. Assume the person is 1.60 m tall.