What is the SI unit of momenzz53m qconb03z 5i5sh tum?

  When a cannon fires a cannonball, the cannon will recoil backward because tkhz+eh 1;qb 08hy2dy fhe

  A freight car moves along a frictionless level railroad trkx vua-5p06tz scgpio16u;g9 ack at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the c g 5sp0upzu1vix;a9 6c6-gok tar?

  A child falls sideways off a sled while sleddcqk y8g-/7skee7 hky3 ing on frictionless ice. What happens to the velocity of the3-7yg h7qckk/8 syk ee sled?

  A rubber ball and a lump of putty have equa.rt ) a3bxokz2l mass. 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 momentzoaxb3tr.k 2)um change?

  A sailboat of mass m is moving with a momentum p. How would you represend em,/rk5 r0zjxt.d8nt its kinetic 0k5mn8d, txrezd/ rj.energy in terms of these two quantities?

  If you pitch a baseball with twigkso- dq b2tcps +bh3d p7;5q6ce the kinetic energy you gave it in the previous pitch, the magnitude of its modd3qg 5;q-p tsobbhc +ps6k27 mentum is

State Newton's second law in terms of momentvmaf,d ;7,5 m bsytfw.um.

State the law of conservation of momentum.nug9a:2b*h ) oz i l:ive)xy9w

  The area under the curve on a Force versus ti 6u* kxeyj0rs3gg1h:+7d4usy(s hr geme (F vs. t) graph represents

  Which of the following is an accurate statemeny))9 u*to wh 8bgehmhrrxu/n:74 .vhvt?

  A small car meshes with a large truck i;;iew)xu8ro1q) )ndftxv2 a05fhihl n a head-on collision. Which of the following statements concerning the magnitude of the average collision forced2h5va8n t1xl)ifowfe )qrhu x)0;i; is correct?

  Two equal mass balls (one red and the other blue) are dropped z9 1eycotgo- jff3nhi76z30 y-ox ft1 from the same height, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected thfffg3y1io0znztcj7t1yo69 o - x3 e- o the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball movic1u*;odz( d(nsx ye6ss8 wa9lng 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 bowling ball moves very slowly to the east. Which object experiences the greater magnitud 1 y(( dlzsusn6e as9*wdc8;oxe impulse during the collision?

  Two objects collide and bounce off each other. Linear b-e mq-e0zni8 momentum

  A 3.0-kg object moves to the rigaiuuyvj74 o 2*5fg rde,(* jzd;q,oomht at 4.0 m/s. It collides head-on with a 6.0-kg object moving to the lefo ;e*dayv74gjo25u,dr , q *iju(fozmt at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles4amhrwi.v(w,9 liy,b at.sh+ head-on an 80-kg halfback rutyma4 9,.h aisw( w+,irvh.lbnning
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 tphd ,lof*4 b0the following statements is true aboutp0ftdbh *4o l, kinetic energy?

  When is kinetic energy cwivv*lfz.zr ef5ci/-(gey24a ua c: 8onserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the # bo9nyop4b0 j05 ball moves away with theo0b0po9 yjb n4 same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides wi: q,cn+3 ehpik*; xz jm-bpqo8th a heavy exercise ball at rest, the beach ball's speed after the collision will be, appr-z k,xcqni pje:h8bo*q +3m p;oximately,

  A golf ball traveling 3.0 m/s t if qt0th.eh;*o the right collides 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 immediately aft t qh*;0ei.hfter the collision is

  A rubber ball with a speed t,9*)lsegt3 i r.rta6lqs:hhm4,1h zmotg,g of 5.0 m/s collides head-on elastically with an identical balllrht zth6 mhl9r3t,ae*.qg tm:sgi, og 41s,) at rest. What is the speed of the initially stopped ball after the collision?

  A very heavy object mbo;2mhvf11 -v ppv:sxe.k )x5p *vzldoving with speed v collides head-on with a very light object at rest. vm:ozs.; b*)-vp 2x5pkhxvevl1 p1 df 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?

  A very light object moving with speed v collides hi g8u495v:h 1xploabc z 2yux-ead-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy objectu- 5 1xhgapvc24yu 9:l8ibzox after the collision is

  A red ball with a velocity of +3.0 m/s collides head-on w.* k+uplwy tqv),2 gh5mm0v h33yqkeacx4k/ c ith a yellow ball of equal mass moving with a velocity of -2.0 m/s. Whacq4vekv5+ .kctx q, m hap*h)ywg30k3ly/u2m t is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a +pkol.8 ,87eq vm4ghsgyvf+n very light object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object mqg++h7k 48np8yv,. ev lf osgbarely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, thenzzo/t38wzh rnt0ivp)b;-w ;ap 0ti)z which of the following statewrz0-vptt)oiz0z/ipb ); 38 tzwa hn ;ments is true about kinetic energy?

  Two objects collide and sti /) ktfkctg(*sck together. Kinetic energy

  A 3.0-kg object moves to t(5rjos z6;h dvhe right at 4.0 m/s. It collides in a perfectly inelastic c6 vj5(shzdr ;oollision 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 lifdjnk1 cpf1i;,n* xx3xpx;nz 1 ;ef+ arge object and sticks. Which object experiences nje*3p;df1n ;k1,nx c1x;fipxf ixz+the larger magnitude of momentum change?

  In a game of pool, thso*;m)uy wb-m e white 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 massesv+b2zp +x duln,5k8-in;;wc(bp lbk x, M and m. Which of the following statements is falsexpxkik;n+ ;lnu2cwp8 v,b +bld5z-( b?

  Which of the followinga.wesg qg92w/ is a false statement?

  Tightrope walkers walkre 5nvm-p) bk8 with a long flexible rod in order to

  A plane, flying horizontal uaks-5 9t bnx9o)hx:nly, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just afxx-bn9s:kun 9a h)t5 oter the explosion

  Two cars collide head-on on a lev lcz)v55e1te xel friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the veloci 1t5ev5x ezl)cty of this system's center of mass?

State Newton's secon+f 9:pd qeh9 c7evl96 pilc;vl- cpf6fd law for a system of particles.

  What is the momentum of a 2000-kg truck travelin1y pewx1/q*3k/h c xpmg at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnits, 2b n2zvoy8mude of its momentu byos z282nmv,m?

  A ball of mass 0.10 kg is droppem9)k *+otq zh aqomvt,x86.j(iclma 9d from a height of 12 m. Its momentum when it strikthl,a*o8 6vj9z ( mo9xamq+mtq )cki .es the ground is

  Two identical 1500-kg cars are moving perpendicular to each othermcea 6qm o r/r (ut( wjn-;j6ee8qsa98. 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 systus(eq(8 69no6 ; cr qj/ma-8 mtrjeaewem?

  A handball of mass 0.10 kg, traveling horizontally atnu/whv)f lstyb6 v2f75zj i 3+ 30 m/s, strikes a wall and rebounds at 24 m/s. What is the changz7vl)f3b f2+uwh5 ni6vst/ jye in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is struck by a ras:86 rn ;khgeucket causing it to rebound in the opposite direction at a speed of 1k86h g seru;:n8 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the d h 5bjvapeq::1w.p:gbaseball) 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 1bqa h::: 5wvde pgpj.is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walkinncwo9feb07sb) t v0nqe(er 23c,+a7c bj l vs4g 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+cwt7c3v 2r, l0ebf v(sqb4cb9e0 )ajo 7se nn astronaut move toward the capsule?

  A small object with momentum 5.0 kgm/s approacheyt fbn 331 a1i)1ewyhas head-on a large object at rest. The small object bounces straight back with a momentum of y a1b3)3tyfh ae1n iw1magnitude 4.0 kgm/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0jvr,u, v0fyw0v 7i:ag m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed vvw uira:0,7v0,gfy j do you both move off together?

  A car of mass 1000 kg moves to the right along a leewwz39q+.zrhml m*8zvel, straight 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 the collisiwm 3ezh 8l9+z*rmw. qzon?

  A 1000-kg car traveling at 25 m/s runs into the rear of a s:s*;ja mcrd,gtopped car that has a mass ; sdcjma,g:*rof 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 u.;l vv 2x kg+esphlo* .:tf1n/)w jkwef+hb. 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 brakes released. What is the speed of the two ca2lvtk;ojh)+xke.nh. f 1p+ubf l:e. gw vs*/w rs after coupling?

  A railroad car, of mass 200 kg, rolls with negligible fric/ qvw9 z nox3t2ut:by3tion on a horizontal track with a speed of 10 m/s. A:nb9x uq z32to/tw 3yv 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)mmk df441;fwsdf;lb4c b ; cu log at the rate of 0.80 m/s (with respect to the log). ;4; d 4cdmfu1s kf4)lbf bm;wc 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 suddenly increasex4vi5. (t1b s+ z t u0zewslpv83zi0zgu8vcd)s to 15 N and acts for one more second. What impulse was imparted by ( vxbps8v3tcidui84+0g zetzv wz.1)05zs luthese forces to the object?

  A constant 9.0-N net force acts lyp84: ndz nq+for 2.0 s on a 6.0-kg object. What is the object' qzp+lyn8 4:nds change of velocity?

  A 2000-kg car, traveling to the right am-i eiyoe f+ nf(pl1029(wfo qt 30 m/s, collides with a brick wall and comes to rest in 0.20 s. What is tho( qefyf2-f op1li+im(w0 9ne e average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hiqr3)otq, d (myyv: ,hht the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnih3()qdq mto, yyr ,h:vtude of the average force the bat exerted?

  A 0.10-kg ball is dropped 4l gcdlde8f-4umo*8u 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. l 8c4u8d d*em-o l4fugIf 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, fir -jume 1kzr2hlpxa8f8 7 )k4gqes 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minuam -x rlhg 2718ujfq)pz4k e8kte. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning building in order th(rf)04vf vf)s4caz 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 the water v)40z s ( t4)rfafhfcvdoesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. 8y6i q /wqoq*kru b.f .ds8je) It falls 3.20 m to the ground. Assuming the water doesn't splash u6 ybrqj8*oiq s..8wu df/)eqkp, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 406n k6to,h 2vmi m/s after 3.0 s, when fired straight up. What averageknm,hi26 t 6vo thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at b4g/o n5gky h(rest in outer space. They pushkb /y4(hon5gg each other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the r m+hd7pw4lnagz rxk+y 53u9*y1okht/ 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 45/1 yl+n uhar k kz*gydt +p9ox73mhwat 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 dirn+;zwjbr )cyt9j*r0e ection makes a head-on elastic collision with a 0.15 kg object initij* jr;e) +z br9y0tncwally at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/9dqt+welrpj9: 80ye d2 alh*s s is fired into a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block)t2h9:ll0aes9*+q wdj r8dey p with half of its original speed. What is the velocity of the block right after the collision?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle fy l+ ryjwi(dl);7ygu(:kj :t5; v vdyoh+-er(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 p (kyvt:gy+u 5h;jewd yrjlr(oliy-f dv; ):7+ roton's mass.)

  A 50-gram ball moving +10 m/s collides head- h9 igb42nn3hwon with a stationary ball of mass 100 g. The colliw9 gi 32n4hhbnsion is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward th iihh-fvo:;*s hl3(n9kof7vb e east with a speed of 3.70 m/s collides head-on with a ho l ih7vhv;f3(knf -o9i *:sb200 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. I g.f( (gk, xlm1ihy5wlt collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the wl(gg,k1yhx 5. lfi(m speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of 4.0 m/s collides head-on in a y4asww *g-h.,gd1.gafg2jdk +oi j9 r perfectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lod,*21.oj+ hgri4s-g wyag9 df .kgajwst during this collision?

  A car of mass m, traveling with a velocity v, strikes r oxsmd/dlf/ --jq) 1ea parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fractio f- )dq/mosr1jl-ex /dn of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries k5dmhg :7s*s /7gpowz itself in a 2.4-kg block of wood a rest directly above it. As a result, the*ossdw/p mg: 7k 7zh5g 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 akp(x 46r*lir.-ue g9 ds1fdsl rim) g;t 90.0 km/h east collides with a 3000-kg car traveling rg;.relp-guf4)1x m ri9sd il( 6 skd*at 60.0 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 km/h east collides with a 3000l :ijnrz bkh*7xi5xtm:,v -k0-kg car traveling at 60.0 km/h south. The two cars stick together after the colk m,*7xbn0r- vi kh:5tzi:xjllision. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object5szpu,.s2c h9 *rnioi y4qu6w A moves east with a momentum owcs5iq*4.nsu i26 ,h ryuz9opf 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 momentum after the collision?

  A small bomb, of mas gy zfu7y c6pp9b 6t(zx1os15hs 10 kg, is moving toward the North with a velocity of 4.0 m/s. It explodes into thre 1o91 (tzczphs7fy p 6bxguy65e 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 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 10.0-kg mass sits at x =5 qry7i7q d0-dlsw mo: + 21.0 m. Where is the center of q 5i-sl:r 7mydq70wdo mass on the x-axis?

  The center of mass of a two-particle system is at the origin. vxt;s7(wkm3.mk(d/p hgjit,wi(un 2 One particle is located at (3.0 m, 0) and has a mass of 2.0 km(xdw 2/;ivhst( jni( umw.p,gk3k7 tg. What is the location of the second mass of 3.0 kg?

  Three masses are positioned as follol whnknl )4b iykm//45ws: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), al n /nm)iyw5kh4k /4lbnd 4.0 kg at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at4p:ey:c: vjik (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m :cj :v4y:kpie), respectively. What is the location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0,k7iu79j . y:i8yvee ux 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 thyij9 7 e7.: 8eyvukxiue system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the C+ciul6a dm++ q:2bhl iM of a whole leg including the foot when the leg is stretched 2+ l+l+qh diubi: cm6astraight out. Assume the person is 1.60 m tall.