What is the SI unit of m7kf gs3n3x xr4rd4gu +.g;qynomentum?

  When a cannon fires a cannonball, the cannon will recoil backward because dq *,fc2xlgna806ri kthe

  A freight car moves along a frictionless level railroxn qf.( p gv;zood3).had track at constant speed. The car is open on top. A large load of g 3q.xdn)zp ;.(voofh coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways7 ivzxu8a-7h n c+.-zyma/i rs off a sled while sledding on frictionless ice. What happens 7/rh.axi8v a y+-icszm7z u n-to the velocity of the sled?

  A rubber ball and a lump of putty have equal mass.a( x6h+htvl cl* x*;jhlc fpryj4-.n9 They are thrown 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. Which objects experiences the greater momentum changlx4* ; l vpn.j yj+lchxhtac9*h6rf(-e?

  A sailboat of mass m is moving wijt 4z9ms 9*hf)okf bj ne0yc:5 dkr;/oth a momentum p. How would you represent its kinetic energy in terms of these two quantitiesc: d*hrn kfo bf j/z4osty959emk0j;)?

  If you pitch a baseball with twice the kine1o:9n k uvi8gxtic energy you gave it in the previous pitch, theun 1:vigoxk8 9 magnitude of its momentum is

State Newton's second law in terms -p:o5(g3ob 9wiakp i6oh8nn wof momentum.

State the law of conservati odf1t+ x)8fu2tm2ghxon of momentum.

  The area under the curve on a Force versus timaw1lkc x b(r 9u6*:nzkvkg:i1e (F vs. t) graph represents

  Which of the following -pvr0ls +rw)k8zr1fl7c9zt2u0 iq mv is an accurate statement?

  A small car meshes with a large truck in a head- xy2leml( f+6n52 xdmfou+nw9on collision. Which of the following statemenwo(fdnef5 ll9x +2yum +n6xm2ts concerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other4tvo( a(ejz 0z8n.afo 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 durivn e ta8z aj(zo0.o4(fng its collision with the floor?

  A Ping-Pong ball moving east at a speed of bxpc,ve5 7)qy4 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 magnqye 5),vc7 pxbitude impulse during the collision?

  Two objects collide and bounce off each other.p y iymkpq-((j)e/ y:v Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.0-k34ticgjb- 3).l q5wm0 orct hxg object moving to the left atmt34 j-) 3cl.xtb 5rigq 0ohcw 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tac z 354/4iu,*iwtl rrpjkpz(sdkles head-on an 80-kg halfback runni(p/ps4uji zri5t ,3wd z*k4rl ng
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is cons9vq.1*u .mhj;qd;; blstp qc1 vd.f boqk4ot/erved, then which of the following .bbpt4t;hqkj9 qq;1d mq v 1/c.lfu*.;o v dsostatements is true about kinetic energy?

  When is kinetic energy cpxxn 4 *lm,,;bbl+ t/2vxha dk6 dmlp.onserved?

  In a game of pool, the white cue ball hits the #5 ball an e(nsj;ql; 2vs1j+bled stops, while the #5 ballbjel; s1n j;le(+vs2 q moves away with the same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with tx o18f o0n+mu)p+mvva speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collisioo1u0+ x +p)m of8vntvmn will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision wi4 tx z4he1scy:th a stationary bowling ball in a friction-free environment. yh :z4e sx14ctIf 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 collids7iades3+w:5jds9aa 71 d .db c*gucnes head-on elastically with an identical ball at 7c 9a1jbaaei d d7s*+dcs 5und: g.sw3rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very li2dvrmhb/g46awa v . h29qw0ftght object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed o0 vfv2ah6m4 d bh.arg/92wwqtf the light object after the collision?

  A very light object moving with speed v collides head-on with a v6o zb 61m,a2qeln k)qvery heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object ak)obe6q62av mlq1,nzfter the collision is

  A red ball with a velocity of +3.0 m/s colldr2, 1j5xl/mlvcy0b dides head-on with a yellow ball of equal mass moving with a velocity of -c,rd j0l5mx21yl d/ bv2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very light x/gc. uq 8wd4,qg gys6object moving with velocity -v. The colg4 8ycd.g6wuq/qg , sxlision 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,ilxh d mm28-x4j 9vq;b if the momentum is conserved, then which of the followi2l8bhv q; m-i4j xxd9mng statements is true about kinetic energy?

  Two objects collide and stick toh4hm r/z664hxv6ed bz gether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectlyv )ozm/ir8* eds vnhd:ovf;8a0/f s3y inelastic collisiov /3 s*8z)rdfeds inmo 8vha0o:vy ;/fn 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 sticknyzy 1p- dvoa6+g3z/ sw,iax7s. Which object experiences the larger nz7s-3+6wa1, odvixy/ g zp aymagnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and *lx4dj9jf,cb9r*xb2xw 2 f plis 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 fal5qe yigirh6il)d1h); se?)h1i gyhlqr6 di;5i e)

  Which of the following is a false stat8n3hy44qxyv e9uyf x8 ement?

  Tightrope walkers walk with a long flexibzwjl2/b e8.t mle rod in order to

  A plane, flying horizontally, release0y1c zcuitt)-s a bomb, which explodes before hitting the ground. Neglectin1c- ti)cyu z0tg air resistance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on oh m8efm+i, 8y fwweay51u+* kjn a level friction-free road. The collision was completely inelastic and both cars quickly came to rest durinw ++*ie fa5m, uewjy mhyf1k88g the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a syskl8 ta )a-+ zwelwpf*:2oku-f tem of particles.

  What is the momentum of a 20 )nh5u ):ic f t51uiiyue50rdq00-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving soutx s) dj13w:pijh at 20 m/s. What is the magnitude of its momentum3wpd1s j):ij x?

  A ball of mass 0.10 kg is dropped from a height of xe 5)l. o6n4atg0exv i12 m. Its momentum when it strikes the gx x nleo4et)avig.60 5round is

  Two identical 1500-kg cars are moving perpendici7e5sxw8nn 1s ular 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 th5 n8swxe17sine total momentum of the system?

  A handball of mass 0.10 kg, trb8: fhpy9j , ms2g7psdaveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the cs fmd2 pbjh,sy:87 p9ghange in the momentum of the ball?

  A 0.060-kg tennis ball, initialwyp6tnirhk 2(2l yk/7ly moving at a speed 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 momeniykl ryh 2tp(/7wk 62ntum of the ball?

  A 50-kg pitching machine (exclmyde0ara d:,- uding the baseball) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a spe,ad e-am0r yd:ed of 35 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 outsi zqz (w/v8ho6mz t)c,jde the space capsule and is stationary when the tether line breaks. As a me6,(8zvjzt h)/wz coqmans 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 mom*-,bd aq+ gy0et4qxknentum 5.0 kgm/s approaches head-on a large object at rest. Tg,xd btne-k4q*aq +0y he 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 ice at 4.0 m/s to greet your friend (40t +rt nj/kjs,r/ g)b*hk-zo*ad8z 9hs-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move off to-* +)dkbr 8on9, / zsh t*kjgasrhtjz/gether?

  A car of mass 1000 kg moves to the right along a level, straight road atjntjjs ;tc:2d-gk+31q4 fbdl /o, ymt a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the coydj2;l:s1ngto kct-m ,+3 4btdjq jf/llision?

  A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car that hvuyn 0g:p6k;wr 9jxt2 as a m09 wt;:jnpr2yk6vug xass of 1500 kg and they stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast alon o3: 1t6iyiblug a level track at a speed i ol61b:it3uyof 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 200 kg, rolls with negligible friction on a horizontal sc yp-9a wfo:r:..de t7m-vxi track withre7 psc:v- ditfx..a y9m-wo : 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 this happens?

  A 60-kg person walks on a 100-kg log at the rate of 0.80 m/s (with respectt7i 33r/k8ki3 kquhyf to the3kk3uq i7yfhik3/ t8 r log). 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 sud+/zgwmmik; x.--t 0djqe(e.k8 j fghc denly increases to 15 N and acts for one -mkd/;-q+ e.cig(k z tj whg8fme.j0x more second. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts for wl mz0 e8(jb,d2.0 s on a 6.0-kg object. What is the object's change of veloj80(elm wd b,zcity?

  A 2000-kg car, travelin4xmzgqgnepi j9e *6c56 v l*m9g to the right 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 the wem6i l jx5epv *q*gg69c9mz4nall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back u8;wi q ;sul 0mmf8.uuk9l5ihalong the sam;;58uluqumks i8uli9f0m h. w e path, and at the same speed. 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 speeds of the md.h :6lamf0/dgxt ;o bf.oy*1q cqo *ball right before and right after hf xod*q0yao1/h b*o.cfmm6tg.; q:dlitting 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, fires 50.0-gram /+;w zdznw h yhj.+ddq5p-c4kbullets, with a muzzle velocity oh .j5c+h/z+ d z ;dyqk-npw4wdf 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the vov:)(6-qwdcqbmb eq 7dl9*: qb6 l vvdoor of a burning 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 stream needed, assuming tbvq:vwoq q(v me b6v*-d6l)7c:l9qdbhe water doesn't bounce back?

  Water runs out of a horizontal drainpipe at)w cba 7a6jia/.v veq.fk4wx+ the rate of 120 kg per minute. It falls 3.20 m to ai k6ja7a e)w+/ bqwf 4.v.cxvthe 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 a velocity of 40 m0o jpn ljb,gb wf2.pg0jm5 6a(/s after 3.0 s, when fired straight up. What aveg,.fbj 0n a5m pgjw6l(pjo20 brage thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially ad *s,3tl fcy0xt rest in outer space. They push each other apart. What is their separation a,x*ft s3 dlyc0fter the lighter astronaut has moved 12 m?

  A 3.0-kg object movejq,oii t,:ir0sp c g ::r:c7/kws zi9fs to the right with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object movip::s iori 0 sj9iiw:/t,c:7q,rczk fgng 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.ec9to rxq-1a.20 m/s in the +x direction makes a head-on elastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after co.1t9qc-e oa rxllision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at renw64*icy2:;dk( c,ixr nz bxest. 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 collisizy( bec6 ir,n 4k:c*2n;d xxiwon?

  A proton, of mass m, at rest, is struck head-on by an alpha-paq+m8r.o iee 8d316pgv/ hsygkvc/4r article (which consists c3 hmp/ea.vsg8ivr/ rd8kyq4eo +g61of 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 equals the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary,2g,ckf/ k/ hwt edjt5qhtk 8al nt74y57mi-v ball of mass 1004qgw5c5t ti, /nj 7hhet-,dm /kt2 k7vlf8 ayk g. The collision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g + qpnfbyslp7v ewr -e3v3+s(2 moving toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. Th3sy e(qr vv7l+s3p-pw f2n eb+e 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-onjhc l-s 7 wesp :4/s13k)oohge with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the meh csh1s ogsoe:/3 wjk4lp7- )asses after the collision?

  A 2.0-kg mass moving to the 5yksl2.8 xjlk east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How mu2k k5l lyj.xs8ch kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parka; 8hsj+ ey.8*kxi6hdems 7wted station wagon, who's mass is 2yji e +wt; skmd 7s8xhaeh68*.m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself i ,j:rvk .xderi3mz 2d;)dd wf9n a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combinatii,fr2 r)3 v.;:9dek dwdmzjdxon 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 travel)upz upp 8* ry),9ykbj ji/ay:ing at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of the c p)uui/ ypykb) yazrpj*j,9:8ars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 30001:o3me3uq exi -kg car traveling at 60.0 km/h south. The two cars stick together after tex oeu1mq:33 ihe collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surfpmh au ,y(rb06ace. Object A moves east with a momentum of 24 kgm/s. O h6 pr(mau,0bybject 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?

  A small bomb, of mass 10 kg, is moving toward the North with a velociz5blm76 get)in m ly;/ty of 4.0 m/s. It explodes into three fragments: a 5.0-kg f5 e ); m6/ginltb7lzymragment 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? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.07 k f5k11zqr ahkmgk8of76hs.x3 j8sk-kg mass sits at x = + 21.0 m. Where is the cent h7mkf76rh jsokfk1aqz38s 81kx.k5 g er of mass on the x-axis?

  The center of mass of a two-particle system is at the no;ijyajryu7 :.e60 *tj t):mv ud gk7origin. One particle is located at (3.0 m, 0) and has a tyr*jv7yn6tou)a:7 ;djukm e: 0.igj 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), 2.0i0 /+ vbsknae3 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates of the kvi0+a/s3nb e center of mass.

  Three masses, 1.0 kg, 2.0 kg, an- qev z7e)n.qs a(zml3d 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. qz (alsn.)zmev3q7e - What is the location of the center of mass of the system?

  A 3.0-kg mass is positioz vl:) bo0yhw)ned 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 mass of the system of three masses being located at the origin, ): bo 0h)vwlyz(0, 0)?

  Use Table 7-1 to calculate the ,yc);dtxbg;su /km3h position of the CM of a whole leg including the foot when g3m/h)xk c ;t ds;uy,bthe leg is stretched straight out. Assume the person is 1.60 m tall.