What is the SI unit of /j ,oml9nh3za ,uxif/ruv 91l momentum?

  When a cannon fires a cannonball, the cannonrzzd q o:;dg,fmf u.012k t9rn will recoil backward because the

  A freight car moves along a frictionless qjdv lfj 6 ou4gd57jih/ i9,yp /mda/z)* d,gplevel railroad track at constant speed. The car is 7zqvd,og 6j m*i5/f9p h/y4 uidj/p)gdad,j lopen on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car?

  A child falls sideways off a sled while sledding on frictionless ice. What:t9fznurgj;tn1:sq-6r 3kd l happens to the vttl- g:du rfz;j31 sn6n k:q9relocity of the sled?

  A rubber ball and a lump of putty have equal mass. The rgj45axc1ky2 3kkgw5y 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 momentum xkkkw5jggrc 4 a315 2ychange?

  A sailboat of mass m is moving wirij26j8 7nwfp p;;wi/ jv60jgqz/u xq th a momentum p. How would you represent its kinetic energy in terms of these two quantitieijpx;8 pwjuj/jfq6vn7 ri zw ; 6qg02/s?

  If you pitch a baseball with twi.d:fvs;f osd /x *mu9sg5 uw/mly u.x-ce the kinetic energy you gave it in the previous pitch, the magnitude of its momentum isl9soux / u/wddm*s5;mv: .-xfus f. gy

State Newton's second law in terms 6uxvvsr (gv .2tke7w. of momentum.

State the law of conservation of mo dusbr03 xz9/jmentum.

  The area under the curve2 b39-h -1xtmzghdmw t on a Force versus time (F vs. t) graph represents

  Which of the following is an accurate statu/f r g9ci)kn(afv* b-ement?

  A small car meshes with a large truck in a head-on collision. Which of th x:* fwei3jrb)z*kpj: e following statements :wjpzbr*:efx )i *j 3kconcerning the magnitude of the average collision force is correct?

  Two equal mass balls (one red and the other blue) are dropped from the same +r yf9sr atp 1b49(hlgzyo )9hheight, and rebound off the floor. The red ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collistf1 yyr4 p9lh)(oz+gbr 9as9hion with the floor?

  A Ping-Pong ball moving east at g)oq)n kxf1 1qa speed of 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, fgkq1o)n)x1 q and the bowling ball moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce6y6z (m;ho-n i;unwdy off each other. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides pfagu, l.psw5v8.p +ghead-on with a 6.0-kg object moving to the left at 2.0 m/s. Which state.5ppsg ,l8f.p gva+uwment is correct?

  A 100-kg football linebacker movingu(a+bw axj7 w; at 2.0 m/s tackles head-on an 80-kg halfback ruu7 bjwwa x;+a(nning
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 thedqlgs p.g;2r: following statements is true about kineg. l:g2dq s;rptic energy?

  When is kinetic energy conserv8gcw lgfq:h0 x3a0 j1led?

  In a game of pool, the white cue ball hitsiiy9g 8 7opr b24nd1ln the #5 ball and stops, while the #5 ball moves away with thn9 nl7oib p g4r2ydi81e same velocity as the cue ball had originally. The type of collision is

  When a light beach ball rolling witpxujm/wo6x(d/7/ xn +7uumt q h a speed of 6.0 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be, approwt(u/oq pux mmu/7 7/nj xxd6+ximately,

  A golf ball traveling 3.0agus,ksy /;pd 58nl/i m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly el/pykl su s8ng 5i;d,/aastic, the speed of the golf ball immediately after the collision is

  A rubber ball with a spek7 is3q.m hcxdtt+ z59ed of 5.0 m/s collides head-on elastically with an identical ball at rest. What is the speed of the initially stopped ball after the collisiod.tzxsmi7k 9+ q5tc 3hn?

  A very heavy object ft +c1nzul:2ad vfuz2(4s -xj moving with speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy obn(f2jcx2:duslf z+ 4v z1-tuaject barely slows down. What is the speed of the light object after the collision?

  A very light object moving wiy 7 fet1 c*lgf70/elknnym3 )tth speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastiln7f)ye k0t1tg/7yl*mfnc 3 ec. 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 ball of et4tt;jxc4bd21g s4knqual mass moving with a velocity of -2.0 m/s. What is the velocity of the yellow;4tt4c 4tkjbdng 2x1 s ball after the collision?

  A very heavy object moving with velocity v collide1ai3uszejn4 j, 9e fk3s head-on with a very light object moving with velocity -v. The collision is elastic, and there is no friction. Theis 13knzjej e9u af4,3 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 5mw8e.rhfdo2wp7/d kwhich of the following statements is true about kine/wd8do72.k 5w pefh rmtic energy?

  Two objects collide goxwbfv/bz 5-;,h9i pand stick together. Kinetic energy

  A 3.0-kg object moves to thj 7ihl,jj/i :se right at 4.0 m/s. It collides in a perfectly inelastic collision w/hj 7jii:l,jsith 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 obj-emkx blz ee)7c1nh75ect and sticks. Which object experiences the larger 7lb7z -n hmec)5xeek1magnitude of momentum change?

  In a game of pool, the whiteh,deuo9sx) g:aw 82h ayrn9 r- 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 masses, M and m. Which of the following stat(5ozn4 tq+s59tjf b * q/l; 9wmvhxjwxements is false*lq (jv z/t4f hj5t5wb9; wnx+s mqxo9?

  Which of the following is a false stqwh-r*4 hbd1uw7mm x -atement?

  Tightrope walkers walk with a long z ei wcm4(2 q2h c3/rzd0xn- uyap0p5mflexible rod in order to

  A plane, flying horizontally, releases a bomb, which explodes before hitting grt95 6scfsp6the ground. Neglecting air resistance, the center of mass of the frss56p6g tc9 bomb fragments, just after the explosion

  Two cars collide head-on on a level frm1*p dfapk,w-iction-free road. The collision was completely inelastic and both cars quickly came to rest during the - mfpd *apw1k,collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a systly16v in77vc cem of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/s -;riyl y92oz( 9sdj +2yxjysk?

  A 1200-kg ferryboat is moving south at 20 m/s. i7)i bo*6l32jheyse wWhat is the magnitude of its momentum?6sibiej2 e3w*oh )yl7

  A ball of mass 0.10 kg is droppek-6o+d ux r l:;hv7iv)(bykov/7gsa nd from a height of 12 m. Its momentum when it strike6vxhs iko7akvb gl ry :;duvn/ )7+o-(s the ground is

  Two identical 1500-kg cars are moving perpea6vmzax+ph* 4x(t +nendicular to each other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due eas4+z n*h(ept +axm va6xt. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally i: 2).fhrrl c be2w(cnat 30 m/s, strikes a wall and rebounds 2l. renhcci(r : )fb2wat 24 m/s. What is the change in the momentum of the ball?

  A 0.060-kg tennis ball, inc tqp0ouc icz7 +h93e)i8 dc)..pdicvitially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speep7u 3 iodczcphi+9). qv)d0ic cce8.td 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 frozen pombaebz :a*j-p5a,hof,7s- ct nd. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is tha-7tscjfba ze* -am,,b5ho :pe recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking oh0cx*w lr,i, uutside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kgurh*,icl , 0wx 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-s8 y)rnqs ps, approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of nsssy q8 p-r),the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet 1/:rh/ac0w nuxf)- euhl ( wm7 ypcx7pni5 as6your friend (40-kg mass), who is standing still, with open arms. As you collide, while holding each other, with what speed do you both move off togetherum7:x7n pn 0r/fw/ eh (i5)cpa6ua1xchwl-ys ?

  A car of mass 1000 kg moves to the right along a lefdyuw5 sid9-5vel, straight road at a speed of 6.0 m/s. It collu59iwd yfd-5sides 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 into the rear of a stoppe.na1x xk5gbx/7 *uhk nwx:5fad car that has a mass of 1500 kg and they stick together. What is the s.x517*hg w xn5kxf/banaxu k: peed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is e5svp d5ac(eo -3rit- allowed to coast along a level track at a speed of 2.0 m/s. It collides and couples -eapcdio t s5- vr3e(5with a 50,000-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 200 kg, rolls with sd ;jfhi bmcqeh0rn-j9,q / gc03rw95negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight d,qh0-/0r;fjeh dwibjgncm9qc r 93 s5own 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 on9 (upippl/su6 a 100-kg log at the rate of 0.80 m/s (with respect to the log). With what speed does the logpup(li p/us 96 move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object.avr9:)ce rym8ppr81j The force suddenly increases to 15 N and acts for one more s mryap r8r8p9jc) e:v1econd. What impulse was imparted by these forces to the object?

  A constant 9.0-N net force acts fhanf,y9n (zw) or 2.0 s on a 6.0-kg object. What is the object's caz)w9n,h( nfyhange of velocity?

  A 2000-kg car, traveling to the right at 30 m/(9r,blh v4v325 oiby grbr .kms, collides with a brick wall and comes to rest in 0.20 s. What is the average force the car exerts on the wall?yr2o(bgr rk4 hb9lvi m,5.v3b

  A 2.0-kg softball is pitched to you at 20 m/s. You hit t+8 z:rfqd.f d2o4stov t ti4.ghe ball back along the same path, and at the same speed. If the bat was in contact with o 4rigtf. +qd: t 42tfvo.sd8zthe 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 right befawkq6, 0ai +hvore and right after hitting the table top are 5.0 m/s and 4.0 m/s, respectively. If the6haw0vqa+ki , 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, fires 50.0-gra/0yur roagd4p94*a atm bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is t0y ra/o * uta9d4pr4aghe average force exerted on the machine gun mount?

  A fire hose is turned on the door of a ;gvy7c f(9um lburning building in order to knock the door down. This requires a force of 1u cg7m(ylv;9f000 N. If the hose 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 120 kg per minu 6 mv-m+tubn3hte. It falls 3.20 vb+6ut mmn-h3m to the ground. Assuming 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 velocity of 40 m/s a8oj6 msxo*c ecod8;u:tb . ly0fter 3.0 s, when fired straight up. What average thrustxoe6 jbcm0cyod8* s;8o l:. ut force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest i1)b zdnly8oval5 q ;u4n outer space. They push each other apart. What is thei8qzl) lnyb45v;ad o1u r separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right eex dnk yc/6 64jn1u9pwith 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. What is the total kinetic energy acexp/6 d y9kn4unj1e6fter the collision?

  A 0.10-kg object with a velocity of 0.2 vj cz 8k.35j;s:51t biwde zvqj1up8x0 m/s in the +x direction makes a head-on j13 wj85tzz x .jd:5qvpbe;us i18kcvelastic collision with a 0.15 kg object initially at rest. What is the final velocity of the 0.10-kg object after collision?

  A 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. Theeh* bgb9a+i 7dw*p6nzrzre. * bullet emerges (thpe*ge w an brdh 6*i97*+zrzb.e 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 rj53sj j7b4g h e,.cx67xemmew est, is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If te ghm 7es3e7cj5,xxm6j bw. 4jhe collision is 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 gtn6tic+0gw ; head-on with a stationary ball of mass 100 g. The collision is elastic. c60;iw gtng +tWhat is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.7, jp2-yfv q1va0 m/s collides head-on with a 200 g ball sitting v, pv1qy-fa2j 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. It collides ha9ixlv09*: nn hsu82fhefnl.ead-on with a 3.0 kg mass ahv9x8a 0 lfnnh u.:l*i9f nes2t rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving to th,/ibi k eiqj+;f7 umy+e east at a speed of 4.0 m/s collides head-on in a perfy+u k+7,;jqiimbeif/ ectly inelastic collision with a stationary 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, travelipg+g c(2awuel44iki dx)f8z) ng with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together xg i z2 (c4pli8kdwgf)4u+ae) 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 verticali(x; d.tgzzw e1 lmu4(w)gonm.v. af: direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination moves vertically upm.tf:a. o.eig 4xlwnw(vgd;1m()u zz ward.
(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 travelip2l4hgdf+4/k:t r qitng at 90.0 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.)dp/rq 4:kh t+t4igf2l 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 travelibq 5 q,e00y(n eaj1qaeqe(hr7ng at 60.0 km/h south(qe5b yh7e10r,q 0 a ejqqn(ea. The two cars stick together 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 su (wsh*w,+k apirface. Object A moves east with a momentum of 24 kgm/s. Object B moves north with momentum 10 kgm/s. They make a perfectp,hwswk a i(+*ly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 n ,v 6pxzyxis5t wy729efs34p3nzw8pkg, 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 veloyxy9n3ptw xei,5 7vnp6s2 zw3 p8f4zscity 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 lf0i/vua9b: ,7ni qtx)snuq 21.0 m. Where is tntq f ib/uas5i)x,qv :0u9 l7nhe center of mass on the x-axis?

  The center of mass of a two-particle system is at l5k23 e;i(vp-g( ywo9u fyvjfthe origin. One particle is located at (3.0 m, 0) and h (i k35f (vwjgufv ;epyy-o9l2as 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), 2h/6w7;klwp pfd 3y2d p.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Dete7fwkpyp hdp62 lw/ ;d3rmine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located awlgd3wgf t2 65t (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 the system62g3l wgwdt5f ?

  A 3.0-kg mass is positioned at (0, 8.0),8 fy1qz emrllerx*vi *7zd9) oj99 v8q and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which8fj897qo xzvldq9 *lmv9ey1ei*z )rr 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 calculate the position of the CM of2tub/ b gy- ):5qa r9-typagmw a whole leg including the foot when the leg is stretched strar9b/: u 5 m)gypabagwqt-2y- tight out. Assume the person is 1.60 m tall.