What is the SI unit of mo -dqgply(p*h (mentum?

  When a cannon fires a cannonball, the cannon will recoil backward becauscn/imj w y:+ym*cc z/ v.m(3hle the

  A freight car moves along a frictionl*ppi;vm/ok8 y ap xi3, jgzest16y+u0p fh ;b9ess level railroad track 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 the ca 31;iix9* p+upe tgjs8v6yhza boy/k;fp 0,mpr?

  A child falls sideways ofjvrl++ , k; lb2v9dfs2sbqf3u f a sled while sledding on frictionless ice. What happensvd l;ls r32b 2f +fvu+kqbs,j9 to the velocity of the sled?

  A rubber ball and a lump of putty have equal mass. They aref*y(eeijj 4n3 a*pv 7w thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The puttej*fy7*p e jn4ai3(wv y sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How mha:d 0rmwu1*ea o,y w2yjr05 would you represent its kinetic energyy1 juym0e 5ro2r,aw*0 hd:maw in terms of these two quantities?

  If you pitch a baseball with twice the kinetic eor +-bz;so n+dnergy you gave it in the previous pbo+sn z+dr;-oitch, the magnitude of its momentum is

State Newton's second law in terms of mh a /fwg6fdd,-omentum.

State the law of conservation of,b g9g7(gatl3x wew qa7av6a ; momentum.

  The area under the curve on a Force versus time (F v9y0ww7er,l uys. t) graph represents

  Which of the following iiwn1x x4qs u:6s an accurate statement?

  A small car meshes with a large truck in a head-on coha03qa2 +ufmj llision. Which of the following statements concerning the magnitude of the average collision force is correcum2j aqf3a0h +t?

  Two equal mass balls (one red and the od,tq1b(sw ;f 2lg1szf ther blue) are dropped from the same height, and re; fl1g,ftq2wsbzs 1( dbound off the 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 q-z*aw1bxp h7 4 m/s, collides with a stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball wh1qx-z *pb a7moves very slowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Lineiud kcfj) ;r11ar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It collidevo sdx3hdy68 6)mlormc8 i *xeb4vl* 1s head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which state)1esmroix6* *vhld 864cm 38ov dbly xment is correct?

  A 100-kg football linebacker moving at 2.0 m/s tackles head-omep.ok294ix u n an 80-kg halfback runnou4. 2k ip9mexing
3.1 m/s. Neglecting the effects due to digging in of cleats,

  In an elastic collision, if the i; if -m*sk 23resbu3amomentum is conserved, then which of the following statements is true about kinetic ene km2bse*rauii-;s f33rgy?

  When is kinetic energy conse(3nl.3nk1r w1nhpr tzrved?

  In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 b*l,q8j47gp t6uo,i* qfix wsuall moves away with the same velocity as the cue 46*fuq,wx op8uq ,*si ltgji7 ball had originally. The type of collision is

  When a light beach ball rolling with a speed of 6.0 tiw8c+dwr+q2 ica+w,m/s collides with a heavy exercise ball at rest, the beach ball's speed after the co +8qr,ccat+iw+ idw2 wllision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collistfoo9rwo4-5qgb1q z;1 y75 0bykawtxion with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ba 7bz11aox o-gr9 o 0;f4ybtqq5ky5wtwll immediately after the collision is

  A rubber ball with a speed of 5.0 m/s collides head-on elastically wi+nim*hh aedavw )82s+th an identical ball at rest. What is the speed of the initially stopped be i*d2 ms8a n+)vh+wahall after the collision?

  A very heavy object movl y3,tnv u(q1jing with speed v collides head-on with a very light object at rest. The collision is elastic, and there is no frictiontjl q,n(v3 yu1. 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 col46ddhmsh. von5 rj-;p(0f 3zok a0voqlides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of t qmnf 53ho4p ;kah6 0s( j.dor-vo0zvdhe heavy object after the collision is

  A red ball with a velocity of +3.0 m/s cv.v.yg as o2cx b xs;vk5,ix/+ollides head-on with a yellow ball of equal mass moving wia/bv. s v+kxyxoixcv 52.g; s,th a velocity of -2.0 m/s. What is the velocity of the yellow ball after the collision?

  A very heavy object moving with velocity v collides head-on with a very light*y8p 08jz5p v()e tf n:cexwca object moving with velocity -v. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speedj8tz*xpc8 cv0wpae)yn( : fe5 of the light object after the collision?

  In an inelastic collision, if the momentum is conserved, then which o1sz15od oaw8g )hic8 esv:;ovf the following sta)8i so:vgdvw c8ase15; oz1h otements is true about kinetic energy?

  Two objects collide and stick together. Kincuwej*wd*3/c(r m3r hetic energy

  A 3.0-kg object moves to the right at 4.0 m/s. It co ,/ h,k69eih;omosnilllides in a perfectly inelastic collision wit6i/shk molo,hi ;e 9n,h 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 experiencvc3z :jjw8rh*rpv d0 p,8be1y es the larger mah r0ev,pc*r8zb d p wjj13y8:vgnitude of momentum change?

  In a game of pool, the white cue ball hits the #9 ball n3uk cvi);qu39 2/l dic wyh4sand 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 massez(. w yca7o ,e0ycxes/s, M and m. Which of the following statements is falswyxy7,.a se(ozec0/c e?

  Which of the following is a false statement?mb)f0i +e9 utn

  Tightrope walkers walk with a long flexible rod in ordes7urp hr n6:ai:ic(b 2r to

  A plane, flying horiw*sm - c 14* i)nozb(;7ivqydvjo;bapzontally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, justs v zoj*;cb1iiv-mdp;bw (q*)4 aony7 after the explosion

  Two cars collide head-on on a level friction-free road. Thwq/ lmsn+zz26e collision was completely inelastic and both cars quickly came to rest duris6nm /2q +zlwzng the collision. What is true about the velocity of this system's center of mass?

State Newton's second law for a system of pap2*x/8m:/ov3ui3lp y chtx/ tlfg ;skrticles.

  What is the momentum of a 2000pha g9.+7kuu z-kg truck traveling at 35 m/s?

  A 1200-kg ferryboat is moving soe-i4ne d tqmb0gy.1/outh at 20 m/s. What is the magnitude of its momenb0- 4m1e/oq.tendgi ytum?

  A ball of mass 0.10 kg is dropped from a height of 12 m. Itzj/h.odlk)j9zg8j ;zf ivd .c jq5r66s momentum when it strikes qkdj8gjlz5)o6d v6h fci.zr.9 zj ;j/the ground is

  Two identical 1500-kg cars are moving perpendicular to each +yo3bgitqdoj n**3fbf 0p6z; other. One moves with a bqfnz 336odi* f0 jpgto+; y*bspeed of 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 0.10 kg, traveling horizontally at 3u l2f6.wn y.i8b:*ntxvs)cnzrm)4qs 0 m/s, strikes a wall and rebounds at 24 m/s. What ) .4 ybm.)sfntv8rl qwszncinx*6u 2: is the change in the momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed of 1n,mkgkb ,xp)2f e3x z12 m/s, is struck by a racket causinbx,1k)3gm2peznf xk ,g it to rebound in the 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 bash5 ;s,kwyb3g oeball) is placed on a frozen pond. The machine fires a 0.40-kg baseks ,ohg wb35y;ball 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 outside t - 4k5ng,5n.tzh ygodwhe space capsule and is stationary when the t o wz5 d-ntky.gg5n4,hether line 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 momentum 5.0 kgm/s+6xa7j.9nrfgh t i7fk approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. Whatxt.+9hfngr 7 i7kfaj 6 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 (40-kg mass), who 7tfg+fwmh, 8o1ldvbqhp0 h.8oz-o8g is standing still, with open arms. As you collide, while holding each other, with what speed do yoo-z78gbqoo lgwh p,10.m8d t 8hfh+fvu both move off together?

  A car of mass 1000 kg moves to the r66 h bcpt;hbt xk2er((ight along a level, straight road at a speed of 6.0 m/s. It colli b6b tp(re6 2x(htck;hdes directly with a stopped motorcycle of mass 200 kg. What is the total momentum after the collision?

  A 1000-kg car traveling at z w3xxn hb-2ew: 1rv.c25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and they stick together. What is the speed of the cars af:1.2xhwb v xec3w-rnz ter the collision?

  A railroad freight car, :w-p yn cj ix.*xly6;vmass 15,000 kg, is allowed to coast along a level track axv; c:j6iy-ypl nx* .wt 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. What is the speed of the two cars after coupling?

  A railroad car, of mass 200 kg, rolls with negligible friction on a horizoliaz vxk+y 9y4pi q:k(5vxwjic/2 6m8ntal track with a speed of 10 m/s. ck9 lq ( vik85/ xiivpmy:+426y awzxjA 70-kg stunt man drops 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 respect tma0+d/o ab)r f8yr5tmo the log). Wi m+by8o d/f0ra)ma5tr th what speed does the log move, with respect to the shore?

  A 4.0-N force acts for 3.0 s on an object. The force sup,m*xwew) i8c1p+tcrr86.mr ( njxjmddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces j1jne.*rxtrp+ ccrww,x 8mpmi(86 ) mto the object?

  A constant 9.0-N net force acts for 2.0 s on a 6.0-kg object. What3 i+kdaot, 2wt is the object's change of velocit,w3ti2d+o t kay?

  A 2000-kg car, traveling to the right at 30 m/s, collides with a bd pglz56ud *te *5s)itrick wall and comes to rest in 0.20 s. What is5gudtie)*lzp*5 6ds t 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 baqyf3ufqi5/gw*e+s5:zmwzm2plc klh3 2j 7. ill back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitude of 257k5iq.cqf/*2h fwsz3j3zgu ep+m i l: wmlythe average force the bat exerted?

  A 0.10-kg ball is dropped onto a table top. The speeds ood(d3 (mqh0sxf the ball 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 averag0s3 d(d (oxqhme force exerted on the ball by the table top?

  A machine gun, of mass 35.0 kg, fires 50.0-gram b7i(wvf6d gpd,b/;* , jlfj- cv vu1cull7vco7ullets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun ulv(cd17,pbi/ - l*,ff; 6 7gl vcvvwjoc7jdu mount?

  A fire hose is turned ej.+w7:ejsst on the door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose detw+ jesj7:e.slivers 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 o9x(e,.wh2lu/te w scof 120 kg per minute. It falls 3.20 m to the ground. Assuming the water uh2wse /otw(c 9 .xel,doesn't splash up, what average force does it exert on the ground?

  A toy rocket, of mass 0.12 kg, achieves a un6uu 8 ;3utgvvelocity of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the rocket engine exert?36uu vun; 8utg

  Two astronauts, of masses*t1y 1.k hapelewy7x:r v5ni9u hd 4/o 60 kg and 80 kg, are initially at rest in outer space. They push each other apart. What is theix ee auhl7:kr1h4ndp 1iy w. t*/59vyor separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves to the right withj4o1j d1ka *rokc,2 ua a speed of 2.0 m/s. It collides in a perfectly elastic collision with a 6.0-kg coujrk1j1a 4oa k2*,dobject moving to the left at 1.0 m/s. What is the total kinetic energy after the collision?

  A 0.10-kg object with a velocity of 0.20 m/s i ym4iltc,0pm 4n the +x direction makes a head-on elastic collision with a 0.15 kg object initially at restlmy 0itmp4c,4 . 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 pr/q aiow0b9)at rest. The bullet emerges (the bullet does not get embedded in the blowa/or) q0ipb9 ck) 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 8t z-lkl2rk/m3xfhc ( head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. lx- z hk(2f/tlc83 krmIf the 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 he2 +g fak3r)8rnfmay ,lad-on with a stationary ball of mass 100 g. The collision is elastic. What is the speerm fagr8a),lfkn3+ y2 d of each ball immediately after the collision?

A ball of mass 400 g moving toward the east with a speed of 3.70 zk8xclvykz/; -,x0 fr m/s collides head-on with a 200 g ball sitting at rest. The cozl ;y krx-v ,cfz0/x8kllision 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 withw ,v)sj7vf 5*d*; 5rqzibjqaj a 3.0 kg mass at rest. If the coll7di vqa )zj j5 bv;*r5s,q*fjwision is perfectly inelastic, what is the speed of the masses after the collision?

  A 2.0-kg mass moving zowgfbe 5p:2pjs,/+r1 cx:buto the east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationarr: cg/xe 5p ,+2ojup1 bf:zwbsy 2.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a velocity v, vsf) zhm3(6jt;4 bj iq1.frvestrikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What j6.;ffjh3(vqmt 4s r 1veiz)b fraction of the initial kinetic energy is lost in this collision?

A 15-g bullet traveling 213 m/s in a vebn3o :ce)4dsgrtical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combination:34)sd bg econ 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 9q6pu,b+ thl73 fl hg2y0.0 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,+3 lftqp yug2l7 hbh6.) What is the speed of the cars after collision?

  A 1500-kg car travels5gz5 im m1m8j4 gxdu59 olhm7 blgq6*ing 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.) What is the direction of mo 1684mdxlgzu5hgml i79bjgmq5o s5* mtion of the cars after collision?

  Two objects move on a levba4-g bv6 iro5el 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 per 64-aig5o bbvrfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, is moving tuj3/ by2rtum 5 ocwk)7oward 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 third b2/ck m7o jy5wru3)utfragment? (Neglect air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kg mass sits at r +stmuhz( .a ,c1mv(qx = + 21.0 m. Where hmzu sam(r+(1t,vc.qis the center of mass on the x-axis?

  The center of mass of a two-particle system is at the origin. One particlsm9gg(3u c1e)bp5l b wj ;oj;.t-fcbze is located at (3.0 m, 0) anp; jwsg)bbc.oe5m9j1( 3 tb lugzfc-;d 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 kg38vduglwp (e )bwv*qgr;f5o 3 at (0, 0), 2.0 kg at (2.0, 0), and 4.0 kg at (2.0, 1.0). Determine the coordinates ofdu35w(8v);qogr f pvel 3gwb* the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kj.3eo86wm fkag, are located at (0, 0), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), re.fje6ko wa3m8spectively. What is the 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 positioned ;ijnb0tejc :i fqg :o*tz*7e.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 masses being located at the origin, (0, 0)?ijn0*:7jtbi;qz ce*ft e :o.g

  Use Table 7-1 to calculate the positio rs qsutmcdcd459 :7p5h )+rsxn of the CM of a whole leg including the foot when the leg is stretched straight out. Assume the person is 1.60 m tr 5h9srmssc ut:5 d 7cpqxd+)4all.