What is the SI unit of mome7cao.6x8aty(9mwyy1 y zti p4( hx f)intum?

  When a cannon fires a cannonball, the cannon will recoil k 5u5f msi1nw;backward because the

  A freight car moves along a frictionless level railroad )6 luo:mbxw ;nt+rr+ xtrack 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 )nt+rw b ;mxlx:6ru+o of the car?

  A child falls sideways off a sled while sledding uhg3),*yk k3 fdwyou8on frictionless ice. What happens to the velocity of tf*3 uyd),u8h o w3kkgyhe sled?

  A rubber ball and a lump of putty have equal mass. They ar)9l yb)q qsef** t ,ik:cw-jgbe thrown with equal speed against a wall. The ball bounces back wiyl*q9t)iq*cfg)s k:- jbbw e, th 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 movinko90; ys co:)rytla rqsg 8e,(g with a momentum p. How would you represent its kyq;t)9eosy r ,(:ls08gk crao inetic energy in terms of these two quantities?

  If you pitch a baseball with twice the kineptd ( l 3;bl..hbsq5ngtic energy you gave it in the previous pitch, pgls;ht qd5nb.(l . 3bthe magnitude of its momentum is

State Newton's second la9if r)q.s)d:v d+c3r 7rlszznw in terms of momentum.

State the law of conserbn.y a)clu, rus2q;-ivation of momentum.

  The area under the curve on a Force versus time (F vs. t) gr hg(qbb2i;vz. aph represents

  Which of the following is an ach 1-2s(cjmxs wcurate statement?

  A small car meshes with a large truck rvr+dnd. j4( pin a head-on collision. Which of the following statements concerning the magnitude of the average collisiop4r.d r(nd+ vjn force is correct?

  Two equal mass ballsu5 1w mlx2uep; (one 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 the greater magnitude of impulse dur5wpm xel u2;1uing its collision with the floor?

  A Ping-Pong ball moving east at a speed of 4 m/s, collides with a st 5 t74/fpcvec w/wale/(w1on tationary bowling ball. The Ping-Pong ball bounces bp (nt5v1c/4l /twfw7cea eo/wack to the west, and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Linear momentujom */ sien+rqd+i z1gqm*+: bm

  A 3.0-kg object moves to the right at 4.0 m/s. Ipt .du ce kr(j9rw8g/:z5hzx 8t collides head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which z8 r uewk h/8rd.(9:zjg 5cpxtstatement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-kg 65gn rnc6ib,u bjr,;qhalfback nri6;, q n5 ,cbgrj6burunning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collisionp ofvgqk y.*kdvqh 11p;3m(j3, if the momentum is conserved, then which of the following statements is true about kinetic hd1vo q*m(v3p ;jp.kqf1g3k yenergy?

  When is kinetic energy c/ok5 hmc umf*;onserved?

  In a game of pool, the white cue ball hits the #5 ball ansuu. )e0. .chagqn: jqd stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The ty..a q unqhe0c:gj us).pe of collision is

  When a light beach ball roll0 cyxly g.*y,ding with a speed of 6.0 m/s collides with a heavy exercise ball at rest,0* xgyyld,.cy the beach ball's speed after the collision will be, approximately,

  A golf ball traveling 3.(b5 ip86dpao c0 m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the 6 c8pbpa(do i5collision 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 collides head-on elastically wit1ygov,ihfa++e -m hzv9+ cy-eh an identical ball at rest. What is the speed of the initially yyi - heofa-1g9zve++mc h+,v stopped ball after the collision?

  A very heavy object moving with speed v collides head-on w:. pq 4l7nobcvith a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What isbqn7 v4:op lc. the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a very heavy o q49a yhh.wuung- *6(;yuf mrqbject at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of tn.w ufh-muay rg6qy94q *hu;(he heavy object after the collision is

  A red ball with a velocity of +3.0 m/s collides hek 9twh 38ktmi2ad-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow3k9ttkmw hi82 ball after the collision?

  A very heavy object moving with velocity v collideb:7zv4 kac3 rgfyec 1*s head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. T:z3 evg14*y c rk7bcafhe heavy object barely slows down. What is the speed of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which of cv :48zn,k.h zcbx9d :ynxs9lthe following stateme sc8yn4bhx 9d.lz z9kn cx:,:vnts is true about kinetic energy?

  Two objects collide and stick to:wsd;xl a*wep. .tata0/ kbb4gether. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collidc 9q2v2ej omcd;1m fp+es in a perfectly inelastic collision ;mcpvd2m +q9jc21 oefwith 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 objec pthy/,1mntu 8t experiences the larger magnm,hy/p 8tutn1itude of momentum change?

  In a game of pool, the white con 5uq5j*g )4psyk/l;oq vfe) ue 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 masses, M and m. Wbscee0, th8z: ewxm*))mi 4h- ojtd;ghich of the following statements is false?- ;sm4t*0b zx)giwh:em 8o)dehjet c,

  Which of the following is a fapuge,-vo 3b 6alse statement?

  Tightrope walkers walk with a long flexd4tmme: xnr+y4 ahl9 )ible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitdlhs+h( p1re:ting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just afte:r(1se hdhp l+r the explosion

  Two cars collide head.a(kj9c. y juc ik-ad6-on on a level friction-free road. The collision was completely inelastic and both cars 6kj9ud-iccak ja . y.(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 syste: /ddhwl )oc/xm of particles.

  What is the momentum of a 2000-kg truck e2 g7c ybj;dn)/k jj1k7.az ,u3 tinnmtraveling at 35 m/s?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitudewz:p sbnfm o* n2r 8,udvd,76i of its momentum?6b,nd 2dzri m7n:sfuwv*po8,

  A ball of mass 0.10 kg issd utiv3;j*/j dropped from a height of 12 m. Its momentum when it strikes the gro 3jdus*v;tj /iund is

  Two identical 1500-kg cars arzsj8qf5t 6du,e moving perpendicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. Whazsuq dtfj8,5 6t is the total momentum of the system?

  A handball of mass 0.10 kg, g:z(ze e.fe)h traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. Whaez zg e):fh(e.t is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initix8apde4m 0 8vmpa.kr /ally 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. Whatm0/m a8k4 a8rxp.dvpe is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the baseball) is placed onbp;wbx; m+7+b h akl,w a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 awp,7b k+wb l mh+;;xbm/s in the horizontal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking outside the space capsule and is stationary6o;)1maotbdf when the tether line breaks. As a means of returning to the capsule he throws atdf1 6;b o)mohis 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 vbe *bis3:qy2/s approaches head-on a large object at rest. The small object bounces straight back with a mieyvb qb:2 3s*omentum 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 (40i62g mtlb+-r+x/a dll-kg mass), who is standing still, wb6+l2l xt+ gli/ -radmith open arms. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg ) ul4k(i r8mx0fm7jhimoves to the right along a level, straight road at a speed of 6.0 m/s. It collide07 rm 8iikm )fulhx(4js directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at 25 m/s runs intiy1dt: *sza/eae0+g y o the rear of a stopped car that has a mass of 1500 kg and they sticayiy:g*e + a 1/dze0tsk together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed to coast along a level trac- t8if.ojw.rmvrr s)7c3 pt ;gk at a speed of 2.0 m/s. It collides and couples with a 50,000itc8vgr3of .pjt sm; -wrr).7-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 27okf0chyn v 4b(wlkcyo4 i .vw -,7e1q00 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a k7ov7yvcwe-bhwq.yfo4ln 0 c( 1,k i4 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 respect to thsv.2a3 ke umo7rcmn 7neu*6+l e log). With what speed does m+a* nul7 6u3mvkren7s o .ce2the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force suddenly incrswz ivk*n v,x w26w3 bq,8-xdceases to 15 N and acts f3nzxib,d w2q *vw xkc-6w8s,vor one more second. What impulse was imparted 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 i) eu5z04k0o eimw6wbus the object's change of veloci5ue iwe o6uz0wb4k)m0ty?

  A 2000-kg car, traveling twd e/tt gj-f)4,-0 qyvm8otve7zo u t*o 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 th-eomt,odtgy8tq0) 7*e- u4wtv zj/f ve wall?

  A 2.0-kg softball is pitchxtzgjhfxa9t :(.9i/u ed to you at 20 m/s. You hit the ball back along the same path, and at the same speed. If the bat was i a(:tux tihjgz./9f9 xn 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 rightcocr kb) y,f)* 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 las)byoc*c ,)r fkts 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 bullets, with a muzr: h)9cx ikd9ezle velocity of 750 m/s, at the rate of 300 r:r9ecx)h 9ik dounds per minute. 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 t6z;7z kah r5ty6c it5rw:c /npo 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/6yt75tr zw :5kni;cc rzahp6 water doesn't bounce back?

  Water runs out of a horizontal drainpipe at eqs+u s zn 7i)x2it)fhuuta4 tp/*p+*the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the watesuquf)x / izt*thep+sa7*u)2t+pin4 r doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, ac-2vxu9 -g hrrchieves a velocity of 40 m/s after 3.0 s, when fired straight up. What avc-r9hrg v -ux2erage thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 2 8t zeftj bscm(qde-1b/v1)v80 kg, are initially at rest in outer space. They push each other 2qv sb t1ebzc(mve8)1j- t/fd apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right wi*q vjik- a* n/njx2ig;th a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg object moving to the left at 1.0 m/s;v*xag/ii *n-nqk j2j . What is the total kinetic energy after the collision?

  A 0.10-kg object with a vy5uo1q1tzno 8 elocity of 0.20 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 ayqo o8tu11z 5nfter collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.0z3we;. wt 0s;om(gon1op2r8bvbl) ld 0-kg block at rest. The bulleb1tbl2n z vordg.spm3le ;) wo;(0o8wt 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 collision?

  A proton, of mass m, at rest, is struck head-on by an a p/2w ef 22u1,rtrf19bk zmycplpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will t/prwz2ue f2tyr, 2c9fpk1b 1m he 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 headrg s;6dnj*c)+h l5kk,h as he/-on with a stationary ball of mass 10056l;scjh h sd/n)k+ke,h*agr g. The collision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the vn3.u9oi rqhd*05kou;iaht ,east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfectly elastiuqkduri39;a5*oo0v hnhi t. , c.
(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/skqaf8+t :5 n/3.qhicras9u 1xipej u0. It collides head-on with a 3.0 kg mass ap 30cjx 5uk/ai1eq:.t f 9sh8+uai qrnt 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 dzinmo:iqbq y9yc 3/i3u+zlu0, k,o24.0 m/s collides head-on in a perfectyunyq/+im,iduz zlq ob,303 cki29o: ly inelastic collision 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 po8 0eqnnt9yg:x +*dupx :l;g barked station wagon, who's mass is 2m. Thnl do:+*x;eb: n ug9xgtq 0y8pe 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 tp*z5dgz120u3e3s jx,c b ns udirection buries itself in a 2.4-kg block of woop3 2cbjnuzt sxzu5,1d*es3 g0d a rest directly 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 90.0lijplcquu+,57 s(o 1 rf(j-2r yyz)lo *rw7eu km/h east collides with a 3000-kg car traveling at 60.0 km/h south.o-jrl w)upl +csriuf(j r(2,5z o l 1e7u7yy*q 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 9 x5 z:(e0qy dry7hgg2i0.0 km/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 dir(zg0r2g75hq dxyy:ei ection of motion of the cars after collision?

  Two objects move on a level frictionless surface. Ob pi8eo8; cxz3gject A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. W;pz8e3co g 8xihat is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving toward the North with a velocity of idbj iq p71x/n(iw3-fk 66iub 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 witx7ib wini31dkf6qb/( -j 6pu ih 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 0 nu/dkafw)l 9origin, and a 10.0-kg mass sits at x = + 21.0 m. Where is the center of lk u09adn f/w)mass on the x-axis?

  The center of mass of a two-particle z pen7graqe2om2kz,t+ 81* f5txk ee/ system is at the origin. One particle is loca*t+ea2zezofq 817/5 k ner2 xkme pt,gted at (3.0 m, 0) and 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: sze0q, tfaki;g6drz1 *j s5/ismal2 + 2.0 kg at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Detzrkg 1s2s ja,;/5dei m qfzl*a0s +6itermine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kgsybfm5h2 27 rvi+)t6ii zj xu), 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+2 s)hjrt2m56 bi )7 yuiizfvx mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg -bqx w0:g6bdzmass is positioned at (12, 0). bxw:gqz0 b- 6d 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, (0, 0)?

  Use Table 7-1 to calcu2l4dng-aja) ar3h f5 t6cwfs- vmy7,wlate the position of the CM of a whole leg including the foot when the h2fjma a )rs-a47wg,y365tf-nv dc lwleg is stretched straight out. Assume the person is 1.60 m tall.