What is the SI unit 239glwqor /r bof momentum?

  When a cannon fires a cannonball.acgc e(vtl (8mxus5d u 3,4bi5xnhf3 , the cannon will recoil backward because the

  A freight car moves along a frictionless level railroad tmj. .t:8k2 m* ond4.fv(*vo mt nozibrrack 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 thnvnt *ftdi8( vo:m2br.z j *omm4o..k e car?

  A child falls sideways off a sled while sledding on frictionles:1y7/3rxfost8) k a)oyxadfk s ice. What happens to the v1rfkaxy sxo /t 83kd)f)y oa7:elocity of the sled?

  A rubber ball and a lump*ac meoyw(z77 of putty have equal 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 th(w7 *ezmy7oace greater momentum change?

  A sailboat of mass m is moving with a momentum p. How woup,q w;7+ lsaikld you represent its kinetic isw, +7akp;qlenergy in terms of these two quantities?

  If you pitch a baseball wimlsx5hyh hq91- ,q i0(xhnshxb+s5f 0th twice the kinetic energy you gave it in the previous pitch, the magnitude ofn5 s 0 (h-xh0xqx5islhs +hyq,1f9bmh its momentum is

State Newton's second law in terms oegh8q3h,.xxb p40zvj8w wr;o f momentum.

State the law of conservatiocztkfd ): gww t/*d7b*)f1p nsn of momentum.

  The area under the curve on a Force versus time (F vs. t,2a rq)mu y.; iirs9fj) graph represents

  Which of the following is an accurawa:+-mbm two8)t.ba62plud a te statement?

  A small car meshes with a large truck in a head-on collision. Which of t ,0t.u-i8 i ro i-los4vql9nykacw,k)he following statements concerning the magnitude of the average collision force isc it-qks ,y-rkwll0 vonau)i,9i8o .4 correct?

  Two equal mass balls (one red and the other blueja)pmg ry+a)fqx uj1h ,/- pq)) 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 /uppjhj,y)+a mq 1 )q) r-faxgof impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speb-khixc5 ;k 0pqt 6hw2ed 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 ma ixt ;kc-0qhp2b56kwh gnitude impulse during the collision?

  Two objects collide and bounce of u2 8jco+q*cbihyc7 w5xm+0u xf each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides ask0t2f/ysg)r:m+b thead-on with a 6.0-kg object mo:rytats+) smf bg/k 20ving to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on ank:9-qn- uy3auv;cwb4) zux * ecs4adh 80-kg halfbackhukd;--nv:x )4s*b 4awqcz u9a3uyec running
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the momentum is conserk3jsic5;b h)1 0 txifoved, then which of the following statements is true about kinetic e1;3i0s)c5o tihkjf x bnergy?

  When is kinetic energ) if4fnzr :1lgohk4h4r gs(6m y conserved?

  In a game of pool, the white cue ball hits the #5 ball and stops, whifey:c8qf8rnfvd (l: 9 le the #5 ball moves away with the same velocity as the cue ball had originally. Thelc8fnfqdv(yfr:: 8 9 e type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s i6 ls:jgerjp(i1 ocl6s+8 z+ecollides with a heavy exercise ball at rest, the beach ball's speed after the collisio8o (+s6 6s1zrle:iej jil +gcpn will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision x gdlhs6kw; xf+1ca dpp89,z :with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the collidlsx+ch1,x8pgk6 : fdz paw;9sion is

  A rubber ball with a speed of 5.0 m/u , rsy25g jp;qaejd,ma0, g-h1jjam3s collides head-on elastically with an identical ball at rest. Wy dq2;a aje,j, 5013jg hmrm agjs-up,hat is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with bs * hd:p4t;mma very light object 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 afterbdm t:;sh m4*p the collision?

  A very light object moving with speed v collides head-on with 2/ wbaig6 :elban+9bf a very heavy object at rest, in a frictionl+lgfw6n:a9eibbb2 / aess environment. 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 head-on with a yellow balutd,;c;0n9,:to7umau fhvoahcblv083 k. krl of equal mass moving with a velocity of -2.0 m/s. What l k8o9.cu0: ;37,mhrvu,c naakt0butdf;ohv is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocis1i/j ypq no,8ty v collides head-on with a very light object movingsi y1qp /8ojn, 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 collision?

  In an inelastic collision, if the momentum is conserved, then which 9w;wlf gh 7l-xof the following statelx;7fl hgw- w9ments is true about kinetic energy?

  Two objects collide and sty lnn.n9)t 1,yveac j2ick together. Kinetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides 8fxrek x(oph 49x:+ wbde(lg:in a perfectly inelastic x8bkegr(xp (+d:lx4 e:h9 fwocollision 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 object experienc 9u4xn v7 y6kae9c/fjqne8v+t es the lke4 v u6c qy/9+n9j7fvextan8arger magnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball and is defo6 /q( c 7)ni;8polmjfiz0hqblected 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. Which of the following statements *fgzq-np;( h mlmf0j 7is falsemf(lnz* p -7gqf 0mj;h?

  Which of the followinrqp)0/kd. llb3j yx,d1gpq )d g is a false statement?

  Tightrope walkers walk withbmo-w zi,b7 u) a long flexible rod in order to

  A plane, flying horizontally, rells1n5.imk,fdd *ng( k eases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragme(1,sk.mdgln k 5i *fndnts, just after the explosion

  Two cars collide head-on on a leveq6z9tu q3a jr. 9/djlgl friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What9a96 jjz 3.gqtqrdu /l is true about the velocity of this system's center of mass?

State Newton's second law f p;7,g2jclk(kv ufm /oor a system of particles.

  What is the momentum of a 2000-kgl z 9,g5zmrz/f truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving south ats6b i z ;u5.n7fukpl7b 20 m/s. What is the magnitude of its mom6zbuusf5b i;7kp.n7 l entum?

  A ball of mass 0.10 kg is dropped from a height of 1-jx90)z hw-fu6:8oftchkcoxa.f w6n2 m. Its momentum when it s c6fw9--60fn. fz 8txoj cahw uhk)x:otrikes the ground is

  Two identical 1500-kg cars are moving perpendicular to each other. One moves witj8d-x6dxs*/o fqh mo (h a speed of h dsqj 8d 6/oox-(fmx*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.jn. qpkb ky)ws5 4lm*8cw86pd10 kg, traveling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s)swdm. w46klb8k qjpycnp*5 8. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 12 m/s, is strue npmyw u7 rqb:)g,)-ze)j f;jck by a racket causing it to rebound in )pre 7- )m )uyfe;:qnjjgw, zbthe opposite direction at a speed 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 froz/ h7 / ukkobq;nxgf-+zen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the rec7kuq h /ok ;+-bnfz/xgoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-w(i cx+)f hv nu9y8whj8alking outside the space capsule and is stationary when the tether li ui yx)+wvjf(8chh8n9ne 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 toward the capsule?

  A small object with mo wo1wj.fyg.x1djs6:r mentum 5.0 kgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgmyg dso.16wjf.: xwr1 j/s. What is the magnitude of the large object's momentum change?

  You (50-kg mass) skate on aam a1q*qnmo*mv /pi)k2k/),cbw (zv ice at 4.0 m/s to greet your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each ok zq)1wc ,p )aqvnm*m/bi*/kaavm 2(other, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right along a le s,/4 omq.9tgtwra3e svel, 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 ,rs934qg/aet.mtosw after the collision?

  A 1000-kg car traveliz:i;mrg lj8x btr9p 0zz b5ey-wk0r3; ng at 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the0: yb;8tm9rrgbzlr0-kzj x5;ziw3 pe speed of the cars after the collision?

  A railroad freight carl93/w1jp ge35gjl ezx , mass 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. 3ggw5 p3j e19 /zxljelWhat is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a hor(f*f ;wvji d9k b:awh3mf5,oaizontal 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.hd mk* :iaw b9jao ff;vw3f(,5 How fast will the car be moving after this happens?

  A 60-kg person walks on a 100-kg log at the r j,sr ufq4e,.vate of 0.80 m/s (with respect to the log). With what speed does the log moveur,ev4,.f sq j, with respect to the shore?

  A 4.0-N force acts for 3.0 s on vl09nm hf w9 d4z9bys*:g s6htxw)8aian object. The force suddenly increases to 15 N andsan gzvwxs08i9m9twy4 lbh) * :h f69d acts for 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-r4d0r jjgkfxp1c+ak5gw0iu l)3u6s+kg object. What is the object's chan 300lgu64 gsj w+rkd5jafr+k pu1c)ixge of velocity?

  A 2000-kg car, traveling to the right at 30 m/qeo a kwl -pg45vh;.n6 g-b,fws, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on the wall? kq6;,n p-5gwba fw4gv.-eolh

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball backy qyfu *td -ih8w+;r( (ue3 o.q0jybxz along the same path, and at the same speed. If the bat was in contact with the ball for 0.u tjuz0qy wb.hyx e(3 +qo;i(y- frd*810 s, what is the magnitude of the average force the bat exerted?

  A 0.10-kg ball is dro,h wi/erg;9hnpped onto a table top. The speeds of the ball right before and right after hitting the th,e/9nh grwi ;able 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 on the ball by the table top?

  A machine gun, of mass 35ac5:cxq;e.,i;b dy hl.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rlc qhd; : ia,c5x.y;ebate of 300 rounds per minute. What is the average force exerted on the machine gun mount?

  A fire hose is turned ocwwhko/+c - ypg9o7ae3h)3p pn the door of a burning building in order 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 thegph ya793)whwc+c/poo- e 3k p water doesn't bounce back?

  Water runs out of a horizontal drainpipe at the rate of 120 kg per minute. ;mwwlbtjx1e 6q 2g;k1It falls 3.20 m to the ground. Assuming the water doesn't splash up,j;2;mteg 1kx1l6w bq w what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after *n/grzacie5wzgx tef)v 355) 3.0 s, when fired straight up. What average thrust force does the rocket engingztzf )ce xn*5vi5 a r/e3)5gwe exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in 9ypxye,o )m8 (bgx(qz2pme*yryu9 p: outer space. They push each other apart. What is their separation after the lig xq pyoy)9bxm:m 89ey,yze(pgrp2(u*hter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a spee3 sh4ylzocm0dfe;rw5c c36/xd 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. What is the total kinetic eneof 435x;/mcdc cry3h06lw ezsrgy after the collision?

  A 0.10-kg object with+l5-hp v-k nee 4rxd6o a velocity 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 45r d-eepn h+lvk -o6x0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-246lzui+m 1 )a b.gkeir2munw kg block at rest. The bullet 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 collisiomm1w+el)i2urb2.n4 z u6 gaikn?

  A proton, of mass m, at rest, is struck head-on by an alpha-particle (; vbo+z (ms-igmsd.:p ,pft0i 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 thepp;.ivs,gd0om s+ztfb- i m:( proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary be go2gc6zm *h qrcjsl:/k88el+*wkj 6all of mass 100 g. The co helcgsg 8mje/:6o l*q682 czjk*rw +kllision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 gs da5;-bi kfo80-pzfj moving toward the east with a speed of 3.70 m/s collides head-on with a 200 g ball sitting at rest. The colli-jp- okzid8abfs; 5f0sion 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. It collides head-on with a 3.07xm njuzd 87+i)vy7zejbln 28 kg mass at rest. If the collision is perfectly inelastic, what bljnu7i2vmxjy z7+ 87)nzd 8eis the speed of the masses after the collision?

  A 2.0-kg mass moving t/ fnu8tv i-t2*a4p pflo the east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision 8l tup2fp-ai/4ftv *n 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 paj1hj 8 wkamrpp+z+2qis 6;rl9b b:*ifv6xn*srked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic coll*nj ik fv:s+*6m2i;hzrwrjbslb+ xaq1 6p p89ision. What fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s inwdveot4g- . +n a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination -4d ewnv+tg o.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-kg9nymng; *.u kz car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What n .nuzky;m9 g*is the speed of the cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides wi dep0gxz r)x20nr :2ghth a 3000-kg car traveling at 60.0 km/h south. The two cars stick together after the collisio) 0rxngx he:0 r2pz2dgn. (See Fig. 7-1.) What is the direction of motion of the cars after collision?

  Two objects move on atv :g* ispf7q7 level frictionless surface. Object 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. What is the magnitude of their combined momentum afte tsq7v:gip7f *r the collision?

  A small bomb, of mass h lz gdd:d*.39tp;o oc10 kg, is moving toward the 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 the.;zdd9lo c*p d t3:ogh third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mas we14l 9kkoh.ja99riws sits at x = + 21.0 m. Where is the centk4 aw9erho 1k 9wij.l9er of mass on the x-axis?

  The center of mass of a two-particledu** yqf eiz*: system is at the origin. One particle is located at (3.0 m, 0) and hdei *yf**qzu:as 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, 011lk bzt-*as0i,hpsy ), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the cyt1kb zas*ih01- slp, oordinates of the center of mass.

  Three masses, 1.0 kg, 2 hk:h 5yop9mugxp).i6.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is xyh:m65 )9kgip uo.hpthe location of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0), and a 1.0-kg mass is egms0+:-kvhm* g 2 zdcpositioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system *+2mskvd mzeh -g:c0g of three masses being located at the origin, (0, 0)?

  Use Table 7-1 to calcaf.( lwez3yh/s* a 4fqulate the position of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the person is 1.60 m 3/ya h qse al4ff*wz(.tall.