What is the SI unit of moo xg g7w ht5cl:(25juhmentum?

  When a cannon fires a cannonball, the cannon will recoil bio 0/ amdp,*ofackward because the

  A freight car moves along a frictionless level railroad track at constantqcxc-p3i 2; 0cw *ayyo speed. The car is open on top. A large load of coal is suddenly dumped y xc2* 03c- p;cawoyiqinto the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. What*e8b flf/ kgwo894 mgdtem4y: happens tom /t:e4*848fgkelf9o gb mwyd the velocity of the sled?

  A rubber ball and a lump of putty have*+h v 40feghqym hm/ jk,:4dju equal mass. They are thrown with equal speed against a wall. The ball bounces back with fh*0mkdhg+ jy:eumv4j4/hq, 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 moving with a momentum p. How would you represent qgdlzle,34ipoe vo w,-1 8f g)y:as )zits kinetic energi),y, pl f-odae:3z4 ov1sg8ezlwq g)y in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it in to9 oxwk1r:fwl3e1vl f,qop k./7k ur4he previous pitkoow1qlr /3o,u.xlke1 ffp7k: v9w 4 rch, the magnitude of its momentum is

State Newton's second law in terms tvw 5)vadpx-q jz0 +9gof momentum.

State the law of conservation of m7uyi( ijqbk31omentum.

  The area under the curve on a Force versus time (F vs. t) ovn9 unnw4pte0.n 7y:m:if 0ggraph represents

  Which of the following is an accurate statement?(zzwmj5l;*9oly m/nqmw * ri :

  A small car meshes with a large truck in a head-on collision. Which ofxjvqi4a,* sujy :)fpic+--r d the following statements concerning the magnitude of the avera 4-puxd)*v+sj iajrc :,f-iyqge collision force is correct?

  Two equal mass balls (one-:fm0*;z gr jgrjv)kj red and the other 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 thegg0* ;jmzjr jf:kr)v- greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball movinq ge0v,hg+*ogg .du4qy8ns ( e+wh1yjg 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. vgsd.hg 0(1j qh*qey+,e4g 8wgn+uoyWhich object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear mome6 nu2740+kpqjqpv 6demkj w 9jntum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides head-on with a 6.nvc6zr)wbj ka,k70 m60-kg object moving to the left at 2.0 m/s. Which statement is correcz)6w0v6rjman,b 7k ck t?

  A 100-kg football linebackefp fw9h- +f- 3al1 xfi2mkmsjelzt9d2ied6 ./r moving at 2.0 m/s tackles head-on an 80-kg halfback runni21 +-3mpfm i jl 69t/wxfdf9 2-e dzleshaifk.ng
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 l2wm s(uatr;9b+i6 b jfollowing statew(9 rmb+aijl6tbsu ;2ments is true about kinetic energy?

  When is kinetic energy c70lc6 uqsy;3lktwij2b+i cn. onserved?

  In a game of pool, the white cue ball hits the #5 bi;*7swuqu )woa,nqw cu24 5pjall and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collision i ;4w o a5*ui,juwp2c7nusq)qws

  When a light beach ball ng)b/2sjl lzb7r bjjlw*p7 9/rolling with a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beacjrbs7bl9zjw / 2g bl7ln/p)*j h ball's speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision witai(1nc,6 (iz spg3jgvh a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the gozv3i gps aicg(n16(,jlf ball immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head- zgnc-x,:c2c-ch8jx/tpp7l ythl ; . kon elastically with an identical ball at rest. What is the speed of the initially stxgzj ht;hpk lyc--7:. 2/x cctnc,p8l opped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light :or 58rcqzv0ix ht.e2object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object afor:c5 zx2thv0 8eqi .rter the collision?

  A very light object moving with speed v collides headh4 k6m9.f nch433n qzh owv:0 ocsg7gk-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after theq :.vc g 3cofw70 gzmnsh434kno9k6hh collision is

  A red ball with a velocity of +3.0 m/s collides head-on with (/5rgqqux) ec)c vuh1-ja6n n a yellow ball of equal mass moving with a velocity eghnj1u(5au 6q)/qvn c-)rxc of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocwq93dhl g p-a3ity v collides head-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 ta 3dg3l-hw9q phe speed of the light object after the collision?

  In an inelastic collision, if the momentum is conser eccqd+jycxg vc.ct6*0ds . 1(ved, then which of the following statements is true about kinetic enecg(v+ c *6txjsce.1cd. c0 dyqrgy?

  Two objects collide and stick together. K pqx, pmvlkl6b68lz -4inetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It co:i-st95z k7fmasl gx -llides in a perfectly inelast a5-sis:tl m79xgf -zkic 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 colli1i3sqar0l eg+0 2lvze 7 oenw4des with a large object and sticks. Which object experiences the le47n1arl2i slq ge0e 3z w0o+varger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is defle+uohw-/qvp6l1g d xm:cted 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, Mv -fa+yrkw8 9vtvl6 u( zxc58o and m. Which of the following statements is false?z(xryka -59 ov8 vvl 8tfu+6cw

  Which of the following is a falw u(xqi6qa)gpwoxwp-(r4 9t9 se statement?

  Tightrope walkers walk with a long flexible rod in ordeqgad y(l6s( v/r to

  A plane, flying horizontally, releases a bomb, which explodes before hitt6;o/ior b, dsw)( heejing the ground. Neglecting air resistance, the cw e,dire( ;sob)joh/6 enter of mass of the bomb fragments, just after the explosion

  Two cars collide head-o b6p4pn 3a n3y0voe2ecn on a level friction-free road. The collision was completely inelastic and both car3vnca e neobpy40p6 32s quickly came 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 syst z s4-m-17rj khtkev2pg0 d;toem of particles.

  What is the momentum of a 2000-kg truck tr+q( hjo2s9uii5 /r2i.cyzm83 ccvdv waveling at 35 m/s?

  A 1200-kg ferryboat ix 67evjcf* 82lh1yq oxnl7x, cs moving south at 20 m/s. What is the magnitude of its momentum oxen76 hxl2j ,v1*8qcyxlcf7?

  A ball of mass 0.10 kg is dropped from a height ofv8j kl mylh(dhojo +f.,uu3b j8x713achh47d 12 m. Its momentum when it strikes the g8h7 hu3jy xd3j lh.87+budjh,olv1k(am 4 ofcround is

  Two identical 1500-kg cars are moving perpendicular to each other,ca( ;abkwa-n*ig7of4 : tvlx. One moves with a 7 ,ti*(wnbk x-a4 ;aglfc:voaspeed of 25 m/s due north and 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 horizoi v1ckbl mm5,2ntally at 30 m/s, strikes a wall and2mib1c5k ,vl m rebounds at 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball,/ iaw-c33nlfc 4 s/sqb initially moving at a speed of 12 m/s, is struck by a racket cs/qcil /afws3-4n b3 causing it to rebound in the opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching macbs9 t gw98cky7d 0ty9nr;(kg rhine (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 horizony;wykr cdt97kt89nsg 0g9b r( tal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the spay5)kut88 hipe ce 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 astronaut move toward8yt)8 iukhe p5 the capsule?

  A small object with momentum 5.0 kgm/s approaches hxdujmj33mg,s /.1 ak aead-on a large object at rest. The small object bounces strai.3m xgm u sak3j/1,dajght 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/ *3pp3b jfu9wls to greet your friend (40-kg mass), who is standing sti fp9uw33 b*lpjll, with open arms. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves to th0s ;au53yuz3)bi mc ude right along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is th)aumuu0;ydc 3 5i szb3e total momentum after the collision?

  A 1000-kg car traveling at c: gjjxt5of/n 2(l1ueq 6(wq d25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the :c/tj5nld q xuq(g1 6o2(fewjcars after the collision?

  A railroad freight car, mah6 ked r-vyauao4yxg2u 4p+d .20bg,gss 15,000 kg, is 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 brakes released. What is the speed of the two cars after xyayd.g0ur4 e2go ukg6d2pb, 4vh+-a coupling?

  A railroad car, of mass 200 kg, rtz4yj+57/u ssev zyqa u7; r5 3wkjrhdd78rh+olls with 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 7 +w r74q rzayhtdzu7 y;e8vkjs+ujr 3d/5 hs5be moving after this happens?

  A 60-kg person walks on a 100-kg logljrzqu642 ; ku at the rate of 0.80 m/s (with respect to the log). With what speed does the log move, with resrj2kzul 6q ;4upect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force sudden5(8(tmjm/-yzhp tmpf ly increases to 15 N and acts for one more second. What impulse was impa/h5y (-mm p j8(mpztftrted by these forces to the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What is ty2o)dg,+zqe+ m-ja+ eucwf o- he object's chaqofey)ome -,+j +u-2a dcwzg+nge of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a 251nekhfy y-jbrick wall and comes to rest in 0.20 -yf j1k2ne5 yhs. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to youv dxp 9l k(j4c-a3o(wm 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 0.10 s, what is the magn -a(( plw d4ojvckmx93itude of the average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds of jb6i14*aftz+s5p mgqthe 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 ja15 +tmqigp4z6b*fsand 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 5 60,jkk yvb+sax)q7h)d 2acdo0.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the averag v d7ox, jqh0yca dbak)2)sk6+e force exerted on the machine gun mount?

  A fire hose is turned on the door of a sxra5egqg/,/ /imy ;zburning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers /gqx5m/y/; g,szir ea40 kg per second, what is the minimum velocity of the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg perjr/tesi( + 1pp minute. It falls 3.20 m to the ground. Assu/p1jrpei+ st (ming 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 velt /fv -k,y7dz7dqw rc-ocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket enrtd77 dcq,w-/ -vfkzygine exert?

  Two astronauts, of masses 60 kg and 80 kg, are inizq7mwc6;g uipke59a,0tnl 4 ;ejb yi 9tially at rest in outer space. They zik 9ptc 9ae;j;6bqlgnw7eiyum 4 0,5push each other apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the ri2.b.wwff*5 kc)wjit) : wgl ld k1y,0jn gse(fght with a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-f sfl(kb gw)e:5y fd.gnw12j ik.l cw,*)j0t wkg 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 7 lq 32s2.mey2 sslnsvr1ucy: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-: susvemrlyl27cs221 ys3q n .kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired iuf-shc12+wkuh 0 8iq anto a 1.00-kg block at rest. The bullet emerges (the bullet does not get embedded in the block) with su+ c081hkq hw i2uaf-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 a;flamf k1v66mm)hk 2k3rk0x wlpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision ix213kh0f6wmvka 6) f rlk ;kmms 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 stamv)jr6y3xxng x+yzqv 2.q 0j6)vvd- itionary ball of mass 100 g. The collision is elasdy. vv vx )3gn+vzx)r-2xjyi0 jm6 qq6tic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward nt8je n ,e8y:athe east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest.n:8ee,t8 j ayn 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 ov*l7s1b tj ic q2 gqcl7f-ic*(f 5.0 m/s. It collides head-on with a 3.0 kg mass aqg772c j*c lv ibfl1 qscti-*(t rest. If the collision is perfectly inelastic, 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 collides head-on in a pkgdj cq 5z 8y+; ,by7jw4o3qmserfectly inelastic collision with a stationary 2.ksq ,q gjby woz4c7j5+;my83d0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocitar .7nf.2j 4cmavuxfn2n4 10mw hf4rzy v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction 0m7nf u2j2r4nh4anx f41afcv wr z.m.of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vertical direction buries itsel twzf:cukp aea54l0 2jtgf733f in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/b:7j5gl304 k uwettpcf2z3aa flock 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 30zat g-jg31-p sy f;wi/00-kg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig;g-zwt-g psj3fia y1 /. 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 3000-kg car 7m6j5j:.0 jnxrcklba traveling at 60.0 km/h south. The two cars stick together kcmjjnr 5.76ajb:l0x 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 mg k:vcsga m*3/oves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgv/m*gs : ac3gkm/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 th4oi93u26seyc fkh z515 j xcjze 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 east with a speed of 10 m/s; and a third fragment with a mass of 1.0 kg. What is the velocity of tcc h1zy36j5jo e5i f2us49zxkhe third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a hz(c*- gcvuh: 10.0-kg mass sits at x = + 21.0 m. Where is the center of masszcc* gh- (hvu: on the x-axis?

  The center of mass of a two-particle systeqpj,uhvjj*7, q:kh vc)+. emx m is at the origin. One particle is located at (3.0 m, 0) andqc.h vmpqj: xe+jj), 7*khv,u has a 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), 2.0 kg at/h xp smvr)5tqyf73t0 (2.0, 0), and 4.0 kg at (2.0, 1.0). Determin)hq/ pxvmr0y 5 t73stfe 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 m, 1.0 m t/rr;xp ,qdb5 tkzr 9.e)l1cw), and (2.0 m, -2.0 m), respectively. What is the location of tr 1wb ltd;95tk.)rcrx ,e/q zphe center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8 gw/3m*t8ou bbxn qv 4wn6,uf(.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 centerx3 un u,b64fmt */v8wo(gqwnb of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculat9xkqy l/.e;wko1gds93+jp i b e the position of the CM of a whole leg including the foot when the leg is stretched st y9 bl3p;xi/og+kkds je.9 1wqraight out. Assume the person is 1.60 m tall.