What is the SI unit of mohvdf6m 8)m2 gsvfjf7th4 yh6s9 qmw35mentum?

  When a cannon fires a cannonball, the cannon will recoil b0x .sz8z(j6wv81u4iev jh bo iackward because the

  A freight car moves along a frictionless level railroad track at constas1h3b.e/ pnquw5v:nmnt speed. The car is open on top. 5 wp/ busmhne: 3nvq.1A 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. Wha)+ wwi9v t95uheoq3s vt happens to the veloci)ouhvewt99+i w s3qv5ty of the sled?

  A rubber ball and a lump of putty have equal mass. They are thd2uuzeh0u2fpm4). v irown 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. Whii20uh)2up umf.4dv ezch objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. rps4:s (w1 pz3pt*b:qxs-zri How would you represent its kinetic energy ( r :rs*z s:i1t3qppzp x-4swbin terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gave it i,fkz; 3d dn,hr89 dqk 5)sobqh3 ) f/yvszif9gn the previous pitch, the magnitude of its9; hvdq8) 93knsg ffk /zr5osidhyz,fq) ,d3b momentum is

State Newton's second law in terms of moment eiw,b:-wl ;xzum.

State the law of conservation of mo 8 28z4dvw 2ih4oszzk2ywvr.fs6te a5mentum.

  The area under the curve on a1jay ;f kju/(qtkxu.(8v4 + zn8tmy xho;7 txr Force versus time (F vs. t) graph represents

  Which of the following is an accurate e5vun3tdvr8ezm0e4t+re(8 iuqz 6nct + 5k; i statement?

  A small car meshes with a large truck in a head-on collision. Whicho g4cjrdk mo,/dg-/p09na 6yf of the following statements concerning the magnitude of the average collision force4,rkdc gp-mfy/6/ o0 n adj9go is correct?

  Two equal mass balls (one we6a 0y4ubltu 6 /0nodred and the other blue) are dropped from the same height, and rebound off the floor. The red ball rebounds to a higher position. uybo 06uw0an64tdle / Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

  A Ping-Pong ball moving east at a speek: 0delez3jc 9d 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 easzde3c0k le:j9t. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each othespp:lhs9n jlq(m h*;1r. Linear momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collides headkzn;n yl n70 )3+pav uf/tokc(-on with a 6.0-kg object moving to the left at 2.0 m/s. Which statement is zp+f ky;l3kn(uov7c/nt n )0a correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-on an 80-ajf-6uy 8ki gc.79 tutkg halfback rufcj.7tk-au6u 8yi 9 gtnning
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, aj :p3 i5tdap/if the momentum is conserved, then which of the following statements is true about tda a3 5:i/jppkinetic energy?

  When is kinetic energy conservet gxecdar(--; kza:. ud?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the 41o7zrmo fp43x9 y /;axiyqgp #5 ball moves away with the same velocity as the cue ball had originally. To3fgy479qix/ayzx;p o4 1 m prhe type of collision is

  When a light beach ball rolling with a speed of 6.0 m/s collides with a he mqdx6:5lf6w havy exercise ball at rest, the beach ball's speed after the collision will be, approxim6 5:dh6xlwmq fately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collisipowj o4-s *.y5tgi32y w7jomlon with a stationary bojwg3j4*2l.ioo w5y 7-p oy smtwling 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 5.0 m/s cokg00+o4ntzk2vl7 0 ns xdhua- llides head-on elastically with an identical ball at rest. Whatnn7 dg4 lazokv-00s xuk+t 02h is the speed of the initially stopped ball after the collision?

  A very heavy object moving with speed v collides head-on with a very light objec hz02knu 4ew:ot at rest. The collision is elastic, and there is no friction. The heavy object barely slows dhz0ew: ko 4n2uown. What is the speed of the light object after the collision?

  A very light object movyko;4 oh fh45y:xul 8ming with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The hmu4 o:4 ;xh5l8ykoyfcollision 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 cop0uod5 s z mn(b(4h8 xfyq6bf)llides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of thp)h8bo6sbfm(5 uxn0d z(yf 4qe yellow ball after the collision?

  A very heavy object movinjqj-;zg 5un mf3rembj4( (rw9g with velocity v collides head-on with a very light object moving with velociu w;(qz(j r reb5nfmmj3j-49g ty -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, j/ w5. oi7scws2wdw j8then which of the following statements is true about kinetic ene 2swj.si j/5wwco8dw 7rgy?

  Two objects collide and seq 9 k09(hdx8diauz n6tick together. Kinetic energy

  A 3.0-kg object movesu igq , by+ oq:2u6gm cex9dy)c/-j;ce to the right at 4.0 m/s. It collides in a perfectly inelastic coll;:m)ci-6ubgjdgecc +/u2 qy9 ,oeqyxision 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 s x..t -sllt+3scymk a(qh :e1tticks. Which object experiences the larger magnitude of momentulm(l c3ythqe-ss: txa +1.t. km change?

  In a game of pool, the white cue ball hits th-tca 5 (ka/waee #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 statemencu-v83t b b9nrts is false?ut8v 3n9-c bbr

  Which of the following is a false stateme: ;sbeh)sc bm+nt?

  Tightrope walkers walk with a lofwd 3- uyo.z djju8a*4ng flexible rod in order to

  A plane, flying horizontally, releases a bomb, w+t ov:; rk)2iu.(phm yqrwm2ahich explodes before hitting the ground. Neglecting air resistance, the center of i:h m (rt.ayv+m2ouw; rq)p 2kmass of the bomb fragments, just after the explosion

  Two cars collide head *a.x7k: pzdkv-on on a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during tv*xk k.p:7zadhe collision. What is true about the velocity of this system's center of mass?

State Newton's second laww-.mw nw56 dn f2i:cdq for a system of particles.

  What is the momentum of a 2000-kg truck trave+xrv :dm/l 0acling at 35 m/s?

  A 1200-kg ferryboat is moving south ugjww od i+7f37 v54tnat 20 m/s. What is the magnitude of its momenvgwofn+7t4 wj u35di 7tum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Its u:m7i0 +yi(bbzdrc9 n1 q p6zamomentum when it strikes the grounzyrbi0a 1pmi( zdn:cu6+ 79qb d is

  Two identical 1500-kg cars are moving perpendicular to each othexp. cj t8h1uap8 +dol5r. One moves with a speed of 25 m/s due north and the other moves at 8hpx.tdao1 8upc+ 5 jl15 m/s due east. What is the total momentum of the system?

  A handball of mass 0.10 kg, traveling horizontally at 30 isz5-t;qudn7m s) we/tcs( 0n-wume; m/s, strikes a wall and rebscse5tsziu)netm;dw( ;m7q n/ --u0wounds at 24 m/s. 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 k/ s2qrhb7ai/dl 45z vstruck by a racket causing it to rebound in the opposite diz5v2 //7hqks irbal4drection 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 placeh(b+l z;isi aej:6a;qd on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizontal direction. What is the recoil speeqih+ a: i;z saje6(lb;d of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is space-walking/o939m p1vr+s-9i)8ovx. v pw wt-vrkolykny outside the space 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 speev 1tik/y 3n.rvxow- r+vyso-l 9kpv)o 8m9wp9d 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 large o) poqj5 g8ksk.bject at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude ok8q .g5pks j)of the large object's momentum change?

  You (50-kg mass) skate on ice at 4.0 m/s to greet your friend (40-kg mas bbd/pzp y nhw5u1 0 v,.+qp6mzr8*ngws), who is standing still, with open arms. As you collide, while holding each othbr z.h8 ydnp1 n*zwqbm 5/+pv ,pw6gu0er, with what speed do you both move off together?

  A car of mass 1000 kg moves to the right alo:l(sb9mj7 ya)c0 dssong a level, straight road at a speed of 6.0 m/s. It collides9 md o:0y(c)lasss7jb 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 runsjscmis1 ;-+c5syr bk c4: ms)j into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the -m+s ;cyc:ck ) js1s bsrmi4j5speed of the cars after the collision?

  A railroad freight car, mass 15,000 kg, is allowed t.8wt)i7o lhosiq j 0v)*kuzt9o 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 a9 ui. * l0)8zjtsqkohot7vw )ind with brakes released. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kbuqz;asn/ /t mr* 4syho-o;z. g, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops strh ;bzq -sr;. *ty omoz/n/4asuaight 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 rest,g5m yy)fem; /n *vkrpect to the log). With what speed does thek, rem*ty5)m/yvgnf; log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. Thck1 g8 9qyex;sm, z t(lk.r6nwe force suddenly increases to 15 N and ackxwy mt9s e1g8ckl6qr,.nz(;ts 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 6.0m*bu vfr8i yk4w*c+j1-kg object. What is the object's chafrj+4*i8k *bm vcuy1wnge of velocity?

  A 2000-kg car, traveling to the right l. yv-9w;yzoef;73artz sb/i at 30 m/s, collides with a brick wall and comes t z-;visa . wy yf9t3lb/zr7;eoo rest in 0.20 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 m/s. You hit the ball back along th;h .j)dm 8ze y q8*puasb,cs5we same path, and at the same speed. If the bat was in contact with the babzchs 85y.d,ej)spu* w a;qm8ll 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 bef:,.67yxxgzk * 9ssanimont 0x ore 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 exerted on ox0gs s7 yatz,:6*nk.nxmxi 9the ball by the table top?

  A machine gun, of mass 35.0 kg, fi* 9cz1lzq3xldtfb 2i4 0hlh c)res 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. Wtl h0q 3bfiz9*z ) h24cclxdl1hat is the average force exerted on the machine gun mount?

  A fire hose is turned on tinkvxla11 .:0upal g/1p pk b)he 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 ogxup10.1lbi:/a kpnka)1lv p f the stream needed, assuming the water doesn't bounce back?

  Water runs out of a horizobc4+ ij 3dz*i ya+s; u*m0ipznntal drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splaz0d*4 b+jma;uycii z+p n3s *ish 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 after 3.0 s, z1, ioxcan,)y -c(hh6paylb cg tp*25when fireo l*cgp,1 h,(2n pchxtzi y5acby6-a)d straight up. What average thrust force does the rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initially at rest in outer space ; noiq5rvb;je:h r)zuu ;1(tm. They push each other apart. What is their ui5mo ;r1bveh)z;rjt u;(n: q separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right with a speed ohnw/ w+z(o,de k bglx7)cv f4.f 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 after th(h xfnlvco,w d4b .)e7z+wk/ge collision?

  A 0.10-kg object with a veloc*:*o7z on( ende m(escp-c6ec ity of 0.20 m/s in the +x direction makes a head-on m*e o *-7cozcdc ee6n ((p:enselastic 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. Thefwuwtqhs1)p iatpq7x 47h j(4;b/ wp :eft4 3p bullet emerges (the bullet does not get embedded in the block) with half of its original speed. What is the velocity of7tp pf pew pqxwafs3w)47h b:u h41tqt4 i(/;j the block right after the collision?

  A proton, of mass m, at rest, is 4bu5s d,rtbjgk3 ztdy y3 42d8struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed 2, z8 by35dj3s44dt bykudgrt will the alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)

  A 50-gram ball moving +10 4 m4w ug ja-e+:nnxbucr8*j*k xrm :6hm/s collides head-on with a stationary ball of mass 100 g.6u kh*wrjrn *-j4b cgmxe84x m+a::un The collision is elastic. What is the speed of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 m/s caiq.-6)do o;.gzts80 hht w(hzty*z follides head-on w 6zy s; qazdhzi*8 (0to.-tfg)ohthw.ith a 200 g ball sitting 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 head-on e10 z+6cdzhfzwith a 3.0 kg mass at rest. Izz06+1f z dechf 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 collk-yfi+q 5pij9ides head-on in a perfectly inelastic collision wijpii 5f-+y9k qth 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 staiwhesc(* c+qp0- y9vation wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraci(sw e+pc9a yv0-qh*ction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a-h3 gl5i1x0u a*lpl3cq4l(4 7ym,hc ngwyd jj vertical direction buries itself in a 2.4-kg block of wood a rest directly above it4njhgu3hl0a,xci-l7 w4q yg mljl 1c(3* p 5yd. 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 90.0 km/h east collides with a 3000-k9901 s c9eaw hlpf+cebg car traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of aecs9+1e9cfw09 b hlpthe cars after collision?

  A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg carqga:6:kjqtf34lj-j cez g1u 3jtx ; z; traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is t-e1cgj ta qxj3ug4 6t;j:;zzj:qkl 3 fhe direction of motion of the cars after collision?

  Two objects move on a level frictionlessa (uixnd:j icv+0os /9 1w*sva 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 after :(j/swxuasc vnvi1 oad9 0 i*+the collision?

  A small bomb, of mass 10 kg f(e) bvsg*tdta b8(t*, 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)*gttd8st ( va*b(efb .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 third fragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at -xia)k/a8gj t x = + 21.0 m. Where is tta)j8gax/ik - he center of mass on the x-axis?

  The center of mass of a twokan b/muna;-r/.uwk7y:k .kem5wq e8-particle system is at the origin. One particle is located at (3.0 m, 0) ak -wn er/ um5bk./awka 8e7:ny;uq mk.nd 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 (2.0, 0)niu+ ;8wylv3q, and 4.0 kg at (2.0, 1.0). Determine the coordinates of the c8y+ i ;3nwlvquenter of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3xrr47wy, c,e;;h9 bncc+vih l .0 kg, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the loccc+ b,lc,iwyvn9rheh 74;;xr ation of the center of mass of the system?

  A 3.0-kg mass is positioned at (0, 8.0ds/ccx69z jid 0x;b9-igi3ch), 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 center of mass of the system of three ma gzc93ix6;dc0 -hx/9dci jsbisses being located at the origin, (0, 0)?

  Use Table 7-1 to calculate the position of the CM of a whole gtgcjk r,;77s h ,u-luleg including the foot when the leg,uc7 gkltjg,u7 r;-hs is stretched straight out. Assume the person is 1.60 m tall.