What is the SI unit of67eqpzp)y8v+uwd6 l j3sl2v t momentum?

  When a cannon fires a cannonball, the c+ dj j j5f8r/9*pcizgu* fuw)rannon will recoil backward because the

  A freight car moves along a frictionless level railroad track at constj7 zsh2gg-b9,b kj. smant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity hksb.2,zs9 b 7gj -jmgof the car?

  A child falls sidewai 3dk46 dzv (cr*.- popsweat/ys off a sled while sledding on frictionless ice. What happens to the velocity of thk(epvo .6*sd/t 3a- zdir4pwce sled?

  A rubber ball and a lump of putty have equal mass. lbeobx y/b e6e19 b)i3 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 momentu )/9 3bbi6lxeo eby1bem change?

  A sailboat of mass m is moving with a momentum p. How would yom *8r5b pt1h o 6; x.nolu.-q:xgiafpxu represent its kinet5 a .gxoqn8x.:ixr6bpp;mh- t*l fu1oic energy in terms of these two quantities?

  If you pitch a baseball with p ;,4mvc.vxqz twice the kinetic energy you gave it in the previous pitch, the magnitc4p, q mvv;.zxude of its momentum is

State Newton's secone*ortw ()6eo ib* xr2ed law in terms of momentum.

State the law of conservation of momentum0bgo 01g.h*r2rj(d- v 3cd(jvvqmb tf.

  The area under the curve on a Force versus time (F vs. t) grof)ro x5a+rzlu. y46dby4o-v aph represents

  Which of the following is an accurate statzrn 0-cvhc0e ja ykq697:n1qbement?

  A small car meshes with a large truck in a head-on collision. Which of the fr +0l wpzemx9m c :,itunzn/)43xbqv7-2 ovqcollowing statements concerning the nu )vn2m,+x:7mp i-tow zlce30 b49cq z/xqv rmagnitude of the average collision force is correct?

  Two equal mass balls (one red and the otty 8mv7v d)w;hher blue) are dropped from the same height, and rebound off tvw 7h;y dm)vt8he 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 m/s, collides wit(ye irfc5r24ph 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 gc 42 r(5ryifpereater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linex4e+waestj:, 4m8a e2:eoxrxw x+c.fd9 ui 9i ar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides hea( pr imrwd6 b5ale:jq(v;/m9xd-on with a 6.0-kg object moving to the left at 2.0 m/s. q (:xre 5j imbmrd p(a/6vlw9;Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles headjiogr /c 6w0:i-on an 80-kg halfback runnin06 /ciwr o:ijgg
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conser0xb2:bn 7m9f ma1hfdhg9o0ygved, then which of the following sfx90fm9dhy: bg10gan 72hm obtatements is true about kinetic energy?

  When is kinetic energy conservedeg m;ws45oeoafkm z1qy.,g7 ;?

  In a game of pool, the white cue ball hits the #5 ball and stops, while thk6 +ddd+05avlj /b kxclv2) dee #5 ball moves away with the same velocity as the cue ball had ori0 d) d xac6kllvedbj+/25v+k dginally. The type of collision is

  When a light beach ball rolling with a q//xpoeb e+ pwd1: .ifspeed of 6.0 m/s collides with a heavy exercise bal:w1op+fbe/e.xdq / ip l at rest, the beach 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 collisiond0 6s vcw/mz+g:v)jvn with a stationary bowliv/wg6: vzs) 0+ ndmvjcng ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a speed of 58*jqn -zu bnqxzv62o g -b9:er.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball afteq*z98 2uej qbnrn6z--bo:gx vr the collision?

  A very heavy object moving with speedy+qwtkdv 6g7 38zf xq9 v collides head-on with a very light object at rest. The collision is elastic, and there is no fricxqt 8v +639fk7gqdyzwtion. 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 head-on with a a*5nkju9c.kgf/z 5 wg very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the collisio*5jzu 5g/gnkcf9 kwa. n is

  A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball8s8+ xfvio5pl of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow ball after 58vs o+pfil8x the collision?

  A very heavy object tg*p9 hj0;x dwmoving 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 object barely slows down. What is the speed of the light object after the collisiod *0hj xpw;9gtn?

  In an inelastic collision, if the momentum is conserved, then whichvu1 ,3cq.ndbn n r(r:jee *wx* of the following statements is true about kinetic en3wn*d en,c qverxb .ru1*n(:jergy?

  Two objects collide and stick vx)7-huvf5 fsg kuhv,* e/j 9wtogether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It coljntoc9 7cl5 03r5s zxolides in a perfectly inelastic collision with an 9to c 57rx03l5zsjoc
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 object expe 3 c-myx-7vz- t7ttmuariences the larger magnitude of momentum mxt7 7z- at-tm ycu3v-change?

  In a game of pool, the white cue ball hits the #9 ball and is db.pu: z u74di/ xm5s7nsm-mon.ce7ceeflected 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 mass j5 x-iou qihd7zj26ko)43vojes, M and m. Which of the following statements is falsk)h-3ojj 2dq46 jzviou57iox e?

  Which of the following is qoctc/w7* /um9n h1g/ /fggmxa false statement?

  Tightrope walkers walk with a longsukeu7eeijdb w+-;u 45k4 si1 flexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes beforf0p(otx6 )m xde hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after tpmx0 o xf)d(6the explosion

  Two cars collide head-on on a level friction-free road. The cola qx 2:, /zqxp2 bb*f:zdvf6ralision was completely inelastic and both cars quickly came to rest during the zxfpqx:2,qb 2za*6d bva f/:rcollision. What is true about the velocity of this system's center of mass?

State Newton's second law for a system o;:t q *wo q3.9lkixankmok l*9f particles.

  What is the momentum of a 2000-kg truck traveli:koru ,q kg,m/* zacp7ng at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. W19 ykqc8geoy;u2 jgk (hat is the magnitude of its momentgou k8cq1(2jke; y9 ygum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its mv3ryxj 8ub+ilb h3 08domentum when it strikes the ground3b v+d 8jxlyr bu3i80h is

  Two identical 1500-kg cars are moving perpendicular to each other. ksx 50yw.mb:t One moves with a speed of 25k50: wx.m styb 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 ho,y*ooiv;3 0wlu0hjbl rizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in the mome;lo, uwl0oij *h30byvntum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed o):*xv6 drz siu )i:*i1wmdkix m.t4 gmf 12 m/s, is struck by a racket causing it to rebound in thiu r.mim )ts6k4mx** gxzv1 d:i)dw i:e opposite direction at a speed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excludingcc7rm y d21-yo the baseball) is placed on a frozen pond. The machine firocd-y 71r2m yces a 0.40-kg baseball with a speed 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 opf1j l, ; otwg-w- q8r6;e0 b4mxiavviutside the space capsule and is stationary when the tether line breaks. As a means of returning to the0glqoi4i8 - v-wwp t;x, 1 bjmr;aev6f 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 momentum 5.0 kgm/s approaches head-on a largedk3j-f zk-a 6u0.mtv8;uhd cyd* 2 qyf object at rest. The small object bounces straight back wit326q0dzy-.mkktfcj d;h- fyu8vud*a h 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 (4ff 0x.zcn7g 1oe,/sx.n kzb8 i0-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what s.f1g7cbi .0o 8fxnsex /kzz, npeed do you both move off together?

  A car of mass 1000 kg moves to the right along a level, straight road a7jcqj :(z9zd6g w-hqqt a speed of 6.0 m/s. It collides directly with a stopped motorcycle of mass 200 kg. What is thcq- : j(6 gqz9jhdzqw7e total momentum after the collision?

  A 1000-kg car traveling at 25 ej +3y:mr8k + odmb+k s7-whndm/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the spekwyjsd++m38 +ndh -k:ore b7med of the cars after the collision?

  A railroad freight car, mass 15,000 kg,u z.h(zbc mn*, 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, ,n *zcb(zm.huinitially at rest and with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 wpuufqf.10 9mjy 7ilbb7,, 3t wwkzn3 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drozw03b1 t ,u.j7qiwlupf nyk7,fmwb93ps 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 req -t0x,lek,q1e l+ oiwjrb55ispect to the log). With what speed does the log move, with respto+,i1ex-rqlj leb 0 q5w,i5kect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force surmn:.c -1zbqjl jc ny-x9hz47ddenly increases to 15 N and acts for one more second. Whath b r1jnq7zl c:-x.cjny-9m z4 impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts fogd4s-:qig 9e vg4se m2r 2.0 s on a 6.0-kg object. What is the object's change of vm2sg4-gg9:e e di s4vqelocity?

  A 2000-kg car, traveling to the right at 30 m/bwyxcjd ry :/s99*q:anx7h1ws, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on the walyqa j r:n1y9s:d* wbh/7w9xc xl?

  A 2.0-kg softball is pitched to you at 20 m/s. Youq3 f(7 9wfbq.e7k-y5nfcs kvd hit the ball back along the samknew 7qysk7q.- 59bfv d3f fc(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 ball ra bdpy-(csagvg +w + tk0d1*-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 rt-(0-s1pvdykg +d *wga+a cb exerted on the ball by the table top?

  A machine gun, of mass 39 )qkqd 94hziv5.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 ro4 q)9kz h9dqivunds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned on the door of a burning buiqywj 9-tp0ei .lding in order to knock the door down. This requires a force of 1000 N. If the h. 9ieqt0- wpyjose delivers 40 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 1d9:gk hjgfb;:2uce0my idp 8er y8r 5+20 kg per minute. It falls 3.20 m to the ground. Assuming the water e8jd; 0y+gpic rmrb g 9u:ydkfeh528:doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a;e p ddp9lja*y v4 e2 gf6bph+tfwt258 velocity of 40 m/s after 3.0 s, when fired straight up. What average thrust f 2pe;te pdp6g84 +lj5bt*df2w hfa9 vyorce does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outww c -5g.z+xts9uwbucsq6 y1(nr3+ qier space. They push each other apar-rg.(+yqz35+sw u1wn icu bt6 cqs9wxt. What 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 my84 uvvajidf3e+b2k+ /s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s. What is the total kinetic energd+3 aji2 4uvbfye8+v ky after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s in the +8j;/jr dc m8ntx 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/dc;jrm jnt88llision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg8 2ezfi;u9(v 9ukkxac block at rest. The bullet emerges (the bullet does not get embedded in the block) with99c u28vxez (kuf; aki 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 (whi-iep.s, coywo+2d2 8jen7qi hch consists of 2 protons and 2 neutrons) moving at speed v. If the collision is coop8+ ,e7yidj i2-newh c .sq2ompletely 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 o6tek1 (h7q sgqk:, we+10 m/s collides head-on with a stationary ball of mass 100 g. The collision is elastic.tq kkhese,g67(1 oq:w What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving towarn8icniqol4 nqh3 ,7c a(y g*a1d the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfectly elasticnqoh 4gai,3a1cqn *(ncly i78.
(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. h .oomaqxy. 8/t abm,l8k7j9i5sqpvgj s+6. pIt collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the sp8.q pja g75 os,qboxa.ty +ks/hm 6ipj.l89mveed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speed of ,(em zcs; 6nyvech2-s4.0 m/s collides head-on in a perfectly inelastic colli c (2eyzems-hsvc, n6;sion 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 parked station wagr wk d2 kv3q.xhz3ejv; zba27/on, who's mass is 2m. Thea zhrexk.32b7 wq/ 3 kvz;dj2v 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 trj b m 6pyv(m-1he):gdirection buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the b) jp-m 1ymvhtg6:(r beullet/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 3000-kg car travelinh2xa c/o sotp6 i v/7.iugd3n/g at 60.0 km/h south. The two cars stick together after the collision. (/ic2p gvo .u/i/7 daxht3nso6See Fig. 7-1.) What is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h eas.l* 4g hlypa+av09xd wt collides with a 3000-kg car traveling at 60.0 km/h south. The two cars stick toget. glhyx*lwpv9aad+ 0 4her 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 4i2b15 n* 4 g1qy vpq gchzghh)8zt3kvA moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They mg 4p8c5zq43k1hzbvih)v1qhg y2*n tg ake 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 velo (7o (e0ytgyzdvk0i(ocity 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 mid(0(gz7y keo(o 0yvtoving 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 = + 21.0 m. *n,*b1s 6valg(cbek ak x5em:Where is the center of mass on the x-axixkm, ag*e k5e6bavcs*b (:l1 ns?

  The center of mass of a two-particle sysmnxn, vu kb( 2n*:7vmn x/0fpmtem is at the origin. One particle is located at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3mxv*m (:/uxmf pkvn0n2nbn ,7 .0 kg?

  Three masses are positioned as follows: 2.0 kg at (0, n g4mp1vixmhn2 u(h+90), 2.0 kg at (2.0, 0), and 4.0 kg at pg1ih u+mnh 4x (vmn92(2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, 5, v40d- ualt :wzzrl2jbr ,x6rmm8nw are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of thm:ljw02lun6 mrx r,tr5v azwb,4 - 8zde system?

  A 3.0-kg mass is positioned at (0, 8.0), an l kkqzy( :;bn(0 6ak-fs7cfcdd a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will reqkns(d;b cka76 y:c0fz f-l( ksult in the center of mass of the system of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calculatevi47i/ex 0,c:6o dnejn.gr yv the position of the CM of a whole leg including the foot when the leg is stretcnj. ecv,7:i0v4xoi egyn 6/dr hed straight out. Assume the person is 1.60 m tall.