What is the SI unit of momj(-la 5kqx +us5ncqqu7r9c o. rcu6w*buc o27entum?

  When a cannon fires .xtwc m qnt2r ymgy:;0 cw),.na cannonball, the cannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at 9auhfx.7 xg jg4k k-v(constant speed. The car is open on top. A large load of coal is suddenl. 7fahk9(v-jxuk4ggx y dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled w.n jp q02uvnqe2o6;xvhile sledding on frictionless ice. What happens to the veloci;vq o2xjnp20 evuqn. 6ty of the sled?

  A rubber ball and a lump of putty have equal l c4t;p0 qh0 0qscyyk5:jdp. nmass. 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 greaty:;cnc0k qd50t pl0ys.q 4 hpjer momentum change?

  A sailboat of mass m is moving with a momentum6ea9/u aqh 60zbf*lv: hy2kw d p. How would you represent its kinetic energy in qdba9aev/f hh6kzwyl2: * u60terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in the previouz/lz -da ml u* mi+ typ:*ep0nsgw/y(+s pitch, the magnitude of itss t:un-am y/z p*+liegp/dmw+zy*( l0 momentum is

State Newton's second law in termso emu0u-;g 00apefa: e of momentum.

State the law of conservation 2iduem1qr4m rz j-) 6uof momentum.

  The area under the curve on a Force versus ti;h e* x6eeb:erme (F vs. t) graph represents

  Which of the following is anjd py+h+) 9iuh accurate statement?

  A small car meshes with a large truck in a head-on collision. Which of dc,(+ y;tatdkb 1 lut7hydm/ c8x+8xt*y hb i0the following statements concerni8 l+yai8tdtb;(, umdk t c7hh*dyy/ +1txbc0 xng the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other bpq;x d;tlpij sxkqp7+j*p9s1/ d 5e c2lue) are dropped from the same height, and re t9pjpxl/c *dqe;pkdq7is2+5js x;1p bound 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 the floor?

  A Ping-Pong ball moving east at a speed of 4/z.hu9l5pbs ,sx;fcwhv+ f x:oe2x/t 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 magnitude ihw.fux5t2xhsex // ob:fvz+lps c;9,mpulse during the collision?

  Two objects collide and bounce off each other. Lx-8 7iozjli 9 3pnfqd6inear momentum

  A 3.0-kg object moves to the rcg9t wxs1(b 2vight at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the lef1vtwb(sg 2c9xt at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-onhzq+52ku:s 3( eifgi q an 80-kg halfback runnihzq5 fsgi(qik2+ :3ueng
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 thzo v :i ofx,k6u-q(7kxog5cc(e following statements is true about kinetic ene 6 ,q okixfc(x5k(u-og:o cvz7rgy?

  When is kinetic energr *a5t+f3u5/r,z:b zelik elq y conserved?

  In a game of pool, the white cue ball hits the #5 thvy87p w,r w v c(m3xgc.4ghnpts)+5ball and stops, while the #5 ball moves away with the same velocity as the cuectvs cxw,7w) y4+htn.( hggpm835vrp ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s coh)myx .yp 3gufi( 9-zsllides with a heavy exercise ball at rest, the beach ball's speed after the co i.yumgy3p -zf 9)(hxsllision will be, approximately,

  A golf ball traveling 3.0 m/s to the rinfl fopys5-1 9bek177 a qryp n8t(nx+ght collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, tr(kxln9n7nsp -ebt15fya 8qy7+o1 fphe speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-oam7 wm ,; 49.vnliwlhun elastically with an identical ball at rest. What is the speed of the initially stopped ball after the clwmha i9 n7um4lw;.,vollision?

  A very heavy object moving with speed v collides head-on wieho 9e9h a6,ph3s7m0 6wnfg ;o s;cobeth a very light object at rest. The collision is 7be9 9s w0 ehmoae3h;hs gfc n6;o,6opelastic, and there 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 wsl56*2 - m+5ev 7nesyfj2)zmlb hpnuspeed v collides head-on with a very heavy object at rest, in a frictionless en v w5sm5m) u+lzse 2jl-b peyh*2nn6f7vironment. 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 head1q q, vnu0gt*(di3mux -on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is theiq(dmv, q1u0 ugntx3* velocity of the yellow ball after the collision?

  A very heavy object movin*5/o mb5n v9p4cyvyr z*l a1zbg with velocity v collides head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy objem/1azyvly b5 *znr*p4c 9 ovb5ct barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, theng** mqp6w wqor q1j:+l which of the followinwq6lw*q go*:pj+ 1m qrg statements is true about kinetic energy?

  Two objects collide andmar 6v/+ b:ufr5y)kgbyd-b y) stick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inela+*8fv byza. dyyzwx 1))w.yy dyz b8 fz*x+v1astic 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 large object and sticks. Which obje/mg2 vz rti(//avw;r nct experiences trw rnt;v2gav//(miz/ he larger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is deflected at a,hvz )qr yv,+:nxd i-c $35^{\circ}$ 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,e:5y 1 .ozlrvjxo; v o 98q/qbofld4j, M and m. Which of the following statements is false?fl;dv qvoe 5 by1ol:o/rx,o j q4jz89.

  Which of the following ilxr l h.8v 8+oa2f2gmhnk i4-qs a false statement?

  Tightrope walkers walk with)-jawp,nlrzy 6h :be( a long flexible rod in order to

  A plane, flying horizontally, releases t2ex0pte obvv, 6s4c-*ia:gc a bomb, which explodes before hitting the ground. Neglecting air resiect , 0c64tagxv-o* pib:evs 2stance, the center of mass of the bomb fragments, just after the explosion

  Two cars collide head-on on a level fri x atesf /5p:i5gx6mcv0rj;1sction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of 16cxe x/5;sm5ti spg0 rjvaf:this system's center of mass?

State Newton's second law f7-9 ign;eshob0sq6xh or a system of particles.

  What is the momentum of a 2000-kg truck traveling a;uu+rd4 ie.teyt g.+mt 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitude ofbh5f0+uvi8 2nv-hdn ff69 tzi its momef -v2in0uzv9 5fhdib+tf 86h nntum?

  A ball of mass 0.10 kff9 imm/kq gdm)in2 76g is dropped from a height of 12 m. Its momentum when it strikes f7f)qm6d n2mg9mki /i the ground is

  Two identical 1500-kg cars are moving perpendicular h 6k82dcp9z3 xmoj;s gs.rxj:/ 4tckyto each other. One moves with a speed of 25 m/s due north 3s tch4s 9x.kr 2pd6x mgc:zjkj8;/oyand the other moves at 15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 m/s, str7fw 6p2dr /ay o+ .gxtg,s,fljikes a wall and rebounds at 24 m/s. What is the change in the momentum ,sx7+fof j ,lwp62d rga.tyg/ of the ball?

  A 0.060-kg tennis ball, initially moving at a 0id5eflscs1rj5a sz 9 -7fw7s speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a spef9lz cw75 jssirs7f edas0-15 ed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed on a frozen pond o +ja0f9y2/yd ljmr/u. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoimyrf/l uo jy90/daj2 +l speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outmvhld/1lcqdm 2obw9) (e o+pqg4 :7viside 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 se1wdi:/dvh9+pb lm()ogvqml4qo c 27 peed 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 larb /a 2ezmknn2s4k+n6p ge object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of2 mkznp+nnsa ek/ b624 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), wh 774bdeafq7ujt2hr y3y . z*zho is standing still, with open arms. As you c.2q zybhty*7hr a 7djz47euf3ollide, 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, straight road yft ;avjz5e07 at a speed of 6.0 m/s. It collides directly with a stopped motorfa 0z5jtye;7vcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s ru dnqnd n*r 4/duqxc 2ul(+)v8xns into the rear of a stopped car that has a mass of 1500 kg and they stick together. Whatdduc (uxnd)v2n4lx q* q8+/rn is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, i5( n-s w7v4jr:cou.kf ru1,h fev,kqns 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 and with bvvh un,1qrw57ckk nfs f-o u(jre4:,.rakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizontalqizr: 2d 54t,82muosrc .wzuc 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 crm2 d: c4cuo5 z., srqwti8z2uar be moving after this happens?

  A 60-kg person walks on a 100-kg log at the rap fd0g;xr tq -/d)kwo+te of 0.80 m/s (with respect to the log). With what speed does the +wgox0dt/f- q) pdr;k log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force s4acv9 rif://soruoczl; -( xnuddenly increases to 15 N and acts for one more second. What impulse was imparted by the(/9vi scz olc r;na fur/-:4xose forces to the object?

  A constant 9.0-N net force acts for ex7k(m. 0okp3p ztk)c 2.0 s on a 6.0-kg object. What is the object's change of ) x0okp t(k7kp.mcz3e velocity?

  A 2000-kg car, traveling to the right at 30 m/s, fl4csy a3:wn(4ukib) (zx 7:tjw jy4t collides with a brick wall and comes to rest i( sw f4j()y4u:akjytnlw74t :b3cz ix n 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the4pav 4yc+ ybbre4s8-e ball back along the same path, and at the s+bs c4y4e8e-yb4 vpa rame 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 droppe8 a(xdk1 2aun enuilimi8 1k)jm5 48std onto a 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 the magnitude of the average force exerted on4u t8 knekimmd52i88js) al ai(u1 1xn the ball by the table top?

  A machine gun, of masjkhk9 z.zpx sv d7.6v.(0qie ls 35.0 kg, fires 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 exertezp zvkji0..( 6hv.d kl7s9xq ed on the machine gun mount?

  A fire hose is turned on the door of a burning building in order toi29(zy 6englb8pktg4cff n cy67l:r - knock the door down. This requires a force of 1000 N. If the hose delivers 40 kg per second, what is the mini 6fg- yl2:pc9y l7freztc8k64(gnnb imum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe 0d8lhj+dx;w- : i/pwzarhccy p3c7xx 8uj( 3nat the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't px0u8j7 h:8y/w+ccwc d(az3hxx li;3p-j ndrsplash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a vel tcv3b o*qz::mocity of 40 m/s after 3.0 s, when fired straight up. What q3zt:v *: bomcaverage thrust force does the rocket engine exert?

  Two astronauts, of masszi-j:o ky p+m,es 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. Whatkoz+yjp im-:, 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 coll /1 z-unzp0l slybb0e,ides in a perfectly elastic collision with a 6.0-kg olpsb0 zle1/ z yub-n0,bject 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 direction makxkj- b 8rn jeyc.8q(w97tl;tf-m k*odes a head-on elastic collision with a 0.15 kg object injyk. 9 x-lw;tdjen-(qb78or kcf8t* mitially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is xy d :1mv0ag8vrxlj94 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 speed.: 1vvxdgrlam8 y4 0j9x What is the velocity of the block right after the collision?

  A proton, of mass m, 9ikonh2;/ai4y*zea b *n(uwoat rest, is struck head-on 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 equals the proton's m 9inhnya/*(*;u bkze2aio 4woass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball of (3kjo )/tnoiu mass 100 g. The collision is elastic. What is the speed of each ball immediately after the colljtoi(o / kn3)uision?

A ball of mass 400 g moving toward the east ).e 9 zvzz66.ku d ohl0eim4afwith a speed of 3.70 m/s collides heuhm o)zf6.z .4l9k6ze0i dea vad-on 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 0ph r.pka4 8yh5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is ph40 h8pa.kyrperfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed e)m:n0k2+3f5v jzvp) hm n9wrp, csmjof 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0-kg mass. How muchn9ef250m)v 3) zm: ps,mjkwrpjh c+nv kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, strikes a parked 5bv cyc2q*o, lstation wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of bc2 o,qlvc5*y the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itself i 9urumrf k/w3,aa0 +:ne wiw.u7ba7qfn a 2.4-kg block of wood a rest directla7 kqa :rw u3,une0mrwu+fw/.7bifa9y above 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 k o (8) zvaybv9qwl1h+am/h east collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the sy )1 vb(qwh zvl+98aoapeed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3**q +anelje (t+awx vg0 mug/0000-kg car traveling at 60.0 km/h south. Thex+ljaa+q gt0ew0vg/ mu*(* ne 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 level frictionless surface. Object A moves east with a s-ncdcrme0 ekq- fde(*/vw 3:w p;z0r 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 momer cmkz d-s(vr 03:cdw eefnp0e-w */;qntum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of 4.zxx y 6mm9 f0vk;pm-m,a: ppwec()o6m 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 mz:) a;px9,0p 6-vyemm kfpcxm(6womof 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 10kfstx szg)17n(;adf /.0-kg mass sits at x = + 21.0 m. Where is the center of mass on t7/ 1d g(s)zs fkf;nxtahe x-axis?

  The center of mass of a two-particle system is at the origin. One particle g epq 5moq 3cgb;q4+y-mok) *ois located at (3.0 m, 0) and has a mass of 2.0 kg. What is *y+ )o o-qqecqg53 km4; pogbmthe location of the second mass of 3.0 kg?

  Three masses are positioned as follows: 2.0 kg ac 7; xol1w.2 pnakt5ret (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determ nk7;w5ortlxe1 p. a2cine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 hxmn .xi65s18x b2uue.ws(gl m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center 8ui5 u.mexx2sb.ns6l1 xhg(wof mass of the system?

  A 3.0-kg mass is posi;kmu jsq8+ab eh8 yx7yk+6; qitioned 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 ; as 68xq7+8yyhubq i;k ejk+mbeing located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whoakkr(2r5s+ nf le leg including the foot when the leg is s( f2nkrrk +5satretched straight out. Assume the person is 1.60 m tall.