What is the SI unit of m ,4br9:/* isrx )ecteq b5mxgqomentum?

  When a cannon fires a cannonball, the cannon will r) obarp8.o2w, egvf ,lecoil backward because the

  A freight car moves along a frictionless level railroadi qgvdsd i2r4w.3 ./ff track at constant speed. The car is opi/.g4dq3w if.dfsrv 2 en 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 ,t;bn p3oai7w m4j:(epw*sd 4a8 r afda sled while sledding on frictionless ice. What happens to the velocity of t*d7wai8 ps w3bf n,oj 4a4p:ma;er (dthe sled?

  A rubber ball and a lump of putty have equal mass. They nx 0 -h0-qmgkwpdhvgm, q2o4, are thrown with equal speed against a wall. The ball bounces back with nearly the same speed wmw,q-v 0k ,n-do xg0h4q pmg2hith which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?

  A sailboat of mass m is moving with a momentum p. How would youab/k/1u9f q zdt7+cqi oup9f. represent its kinetic energy faf1u7kucti9+ zboq /9 qpd/.in terms of these two quantities?

  If you pitch a baseball with twice the kinetic energy you gfcadgf-u1* epu1 zcg2:,5pv es i(d5wave it in the previous pitch, the magnitude of its momentupfi vs5-c 12w d1e fc*5,a(:uggdzepum is

State Newton's second law in terms of momej7utb stm6i r7u+2 vh3ntum.

State the law of conservation o bfh3 ecv )pa,)bw3s4cf momentum.

  The area under the curve on a Force versus timei :ik16zqs+p q9t s2gz (F vs. t) graph represents

  Which of the following is an z-p4o zh,y0gbac/x: d accurate statement?

  A small car meshes with a large truck in a head-on collision. n 6;lp* e/dnwlq1 na8c Which of the following statements concerning the magnitude of the average collil w6n/l 1;*8pnnqced asion force is correct?

  Two equal mass balls (one red and the other blue) are dropganiq;5s/b48-x il ytl , +oihped from the same height, and rebound off the floor. The red ball rebounds to a higher position. a -il48 y,l; x+sgtn oqi5ih/b 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 4 m/s, collides with a statshl gwnv80p6 (w /vqh-ionary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very sln0pw6(wvh g/ -v8hlq sowly to the east. Which object experiences the greater magnitude impulse during the collision?

  Two objects collide and bounce off each other. Lined/4 qogqo0 3onar momentum

  A 3.0-kg object moves to the right at 4.0 m/s. It comh l,mjlyext07: 95s3cns9o dllides head-on with a 6.0-kg object moving5mhxecod,yl 7 9:js 30lstn m9 to the left at 2.0 m/s. Which statement is correct?

  A 100-kg football linebacker moving at 2.0 m/s tacb5mu*1r v b8wg6bj-w.ib 6-ks3cn tav kles head-on an 80-kg halfback rbsma5u-b86irw n.*w1 -tj 3g c k6bvvbunning
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 the f-6izwwpl/ 9(6zw qj ,zx z8hqqollowing statements is true abwz,(qz/x689qjhw pi-6wl qzz out kinetic energy?

  When is kinetic energy ro/pssq log n;704 r2;jj9eiuconserved?

  In a game of pool, the white cue ball z 2fyhcmw rh0o.-jw, z d-)mz1hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collis-2z-wzd w mh.m0h)cyrzo1fj , ion is

  When a light beach ball rolling with a speed of 6.0 m/s collides wi s(hxz9 2kx.qnth a heavy exercise ball at rest, the beach ball's q2xnks.(x9zh speed after the collision will be, approximately,

  A golf ball traveling 3.0 m/s to the right collides in a head-on collision,sh7n u afaur,tq6 24w with a stationary bowling ball in a friction-free environment. If the collision is almost hr a7sufut,4 w6,2n qaperfectly 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 el,gey) .vmmd;ur c*3k43afbyu.hqq ;nastically with an identical ball at rest. What is the speed of the initially stopped ball after the collisiokv4.3ac3; y m u *gde ,ym).h;nuqqfbrn?

  A very heavy object moving wis sevwj0s tq0 hfpkz)(3j0+ d,th speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object bvfd30s ,w ekjq)s0s 0t ph(jz+arely slows down. What is the speed of the light object after the collision?

  A very light object moving with speed v collides head-on with a veryzvz0,16wyy -c) z d6wzjo: fvd heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy objec:-ydzjzwz 1, w v zoyc0)d6f6vt after the collision is

  A red ball with a velocity of +3.0 m/s co ehrd5xa 8wt4x):n vc+llides head-on with a yellow ball of equal mass moving wa t:nevrxc 458x+ )dhwith 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 halge0yx .:h2 vead-on with a very light object moving with velocity -v. The collision isha: . gle20xvy 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, dvf +jrep +l3.nvi nu y:96dq.if the momentum is conserved, then which of the following statements is true arj3 qd:un6n+d lvefvy9i.p. +bout kinetic energy?

  Two objects collide and stick together. Kinetic en;.k j,9x f:c urc)ddqoergy

  A 3.0-kg object moves to the right at 4.0 m/s. It collides in a per*f(d g8tl p,u 9a8bpocfectly inelastic cd98u g*ap(po8 flbc t,ollision 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 wi cvjutd2mv9 h-);uru i rea2;4th a large object and sticks. Which object experiences the l-eur;i v)uur;229dtvhc m 4jaarger magnitude of momentum change?

  In a game of pool, the white cue ball hitse x3eec) sgbujd o-u43i4a+1 n 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, l n+re 8rkko/-M and m. Which of the following statements is falsekknro-r8/ +el?

  Which of the following is a false statemwli, r 1ax-5mlq k*sn,pmx17xent?

  Tightrope walkers walk with a long flexible ra /m okd7,: b4kprowm:ed2c7y od in order to

  A plane, flying horizontally, releas*gw p5:t zwps3es a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bp5tswp3*z:gw omb fragments, just after the explosion

  Two cars collide head-on on a level friction-free road. The coll*aygc op z89x6ision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's center of mp8 9cazoxy 6g*ass?

State Newton's second law for buc(uxc +ujct 3e, xqhf )r)-v.)h z4ea system of particles.

  What is the momentum of a 2000-kg truck traveling at 35 m/i z.:s8ln(j luieb+5qofnh+i4m4 y)js?

  A 1200-kg ferryboat is moving south at 20 m/s. What is the magnix48h8v t+kwaz *7zee n b;3ikjtude of its momebzvinkwz+*ta7 ;kj 8e4x8 h3entum?

  A ball of mass 0.10 kg is dropped from a height of3dmab pq. )i/ldze7*z 12 m. Its momentum when it strbl )zamde qp3*i7 /.dzikes the ground is

  Two identical 1500-kg cars are moving perpendicular to eap7 o1apqorji e;u2i9:om+2 uich other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of thei2;2o71+ o jepu9p rmiouia:q system?

  A handball of mass 0.10 kg, traveof-crts )w 6qm. h f3(;fi0ibaling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in t.f a6w3q i (b0;cs-otf)m hfrihe momentum of the ball?

  A 0.060-kg tennis ball, initially moving at a speed ofixua52+; z,j1t dpwqa 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a spix;qzjw 2p,+1u a td5aeed of 18 m/s. What is the change in momentum of the ball?

  A 50-kg pitching machine (excluding the basebal* /: z tpmk)u-dzprc;el) is placed on a frozen pond. The machine fires a 0.40-kg baseball with a speed of 35 m/s in the horizo zp/)mzepk-;*cur d: tntal direction. What is the recoil speed of the pitching machine? (Assume negligible friction.)

  A 70-kg astronaut is spm n 1llf9+t1ml)efib 2ace-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2)1m9ff+mlt2nb el 1 il.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 approaches head-on a large object at nxluuw2):x q4 rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of the large object's momentux w:nxl24uuq)m change?

  You (50-kg mass) skateh*cowisc u32ufr 3(e4 u 9rav/ on ice at 4.0 m/s to greet your friend (40-kg mass), who is standing 4vuuhaoec 9 rus* c ri2f/3(3wstill, with open arms. As you collide, while holding each other, with what speed do you both move off together?

  A car of mass 1000 kg moves 0i.+iwxx(kf x /3qmrv to the right along a level, straight road at a speed of 6.0 m/s. It collides directly with a stopped motorcyclek. xri(wf+mxx q3/0iv 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 stopped gde0t6 z ntj991 4vrrscar that has a mass of 1500 kg and thzjtd0r9 1gns rev64t9ey stick together. What is the speed of the cars after the collision?

  A railroad freight car, mass 15,000hth6vcp)-od a *gi9p t,s,z,e 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 cars9ghoe,a6 -p)v, t hzc*p dit,, 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 negligim q8k;9c f+6gm7sdb udo z/es.ble friction on a horizontal 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. Hf d8c/z; um6+.dqs bomsek79gow 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 (w9in py 4h0. ;hro.gkayy e7q.pith respect to the log). With what speed does the log move, with respect tin.0;qo4 7r9.ghkhpeapyyy.o the shore?

  A 4.0-N force acts for 3.0 s on an rngqdq 1) fr6*object. The force suddenly increases to 15 N and acts fog)6nqrdr f* 1qr 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. z 0xoc0f, npm17qshj.0-kg object. What is the objecqh1.,0soz fx7j0p cnm t's change of velocity?

  A 2000-kg car, traveling to the right at 30 m/s, collidebn/dck 7p4* yjs with a brick wall and comes to rest in 0.20 cdj/ n*7bykp4 s. What is the average force the car exerts on the wall?

  A 2.0-kg softball is pitched to you at 20 2* dg4pysxi6a m/s. You hit the ball 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 the average force the bat exertgpy*i a 4xd2s6ed?

  A 0.10-kg ball is dropped onto a table b. 3k,;b9s-gkfc h0jp5wsfq ftop. The speeds of the ball right before and right after hitting the table tof3.bsf5 0psk9 jk;gb ,fcqh-wp 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 35.0 kg, fires 50.0-gram bull7,qf :k+e-xqzwwr ce.u *y)jnets, with a muzzle velocity of 750 m/s, at the rate of 300 rounds per minute. What is the averafr*q nwu j+7-xcek zye:,wq.)ge force exerted on the machine gun mount?

  A fire hose is turned on the door o hhf0n712db kgb40p0xnryd8qns9 xq .f a burning building in order to knock the door down. This requires a force of 1000 N. Ifxd0kn89n1s 7pyq0f4 r0xdhqh.b 2 nbg 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 12cq9s c+/nctyt(vo6/9egbu s90 kg per minute. It falls 3.20 m buc( esqvg6cto 99/ 9cy/+snt 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 velocit f*g;4wjsxyy1r3 z r3yy of 40 m/s after 3.0 s, when fired straight up. What average thrust force does the ryzy ;wj 1sy* f3xg3r4rocket engine exert?

  Two astronauts, of masses 60 kg and 80 kg, are initiaqg44bxa 2w;hp-xy,af lly at rest in outer space. They push each otherwf; qxa42,ygbpha 4- x apart. What is their separation after the lighter astronaut has moved 12 m?

  A 3.0-kg object moves6o:df6 q,idt-fvt e)h to the right with 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 kineht- 6:tf )qoddi6vf,e tic energy after the collision?

  A 0.10-kg object with a vc3zvy6)aa.f81 qan8 dgha u3 uelocity 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 fina36u8yahu 3fa.gad cn8vqza1)l 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 bloj-n3i0q ke pa)ck 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 right3jq-0inpa)e k after the collision?

  A proton, of mass m, at resp2 mntj0 -wzo(t, is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) mov(0zm2pwno - jting 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 the proton's mass.)

  A 50-gram ball moving +10 m/s collides head-on with a stationary ball o zey8x+p4b0 nuf mass 100 g. The collision is elastic. pz48y0n+xebu 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 ocs ah9l41s grqjev8 5,k(b k/3.70 m/s collides head-on with a 200 g ball sitting at rest. The coll e/bv 9k o1q cs(arsj,5lkh48gision 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. Ii2mxn,ezvh /nv wy3mh55+;hm ojo5b ;t collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is th5v2,hh5 m5no jb/ hwyvi3+mmxo e ;z;ne speed of the masses after the collision?

  A 2.0-kg mass moving to the east at a speh l+mn-znbf528x)c 5 p,y xugwed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2c52p)nmu8gl- + , xzwfxn5yh b.0-kg mass. How much kinetic energy is lost during this collision?

  A car of mass m, traveling with a veloci- sn u;vgv)2qtwsa 1z9ty v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of thegqvsv- n;)usa 1zw92t initial kinetic energy is lost in this collision?

A 15-g bullet traveling 2kxf1c/ ne /-9pik:b1*hvc ikf13 m/s in a vertical direction buries itself in a 2.4-kg block of wood a rest directly above it. As a result, the bullet/block combinat-ifkfc9/ xv /1enkik : *pb1chion 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-kg caweqsd e4i ds9p11 t*z+r traveling at 60.0 km/h south. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of the cars after coll 4e 1dteqs9ps1w +*izdision?

  A 1500-kg car traveling at 90.0 km/h east r096lm4dr(xeo bjrz62 egn2hcollides 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 2me64j 9zo b20rhgr(x6rnledis the direction of motion of the cars after collision?

  Two objects move on a level frictionless surface. Object A moves east with5edf u z8 giheq2rq43; a momentum of 24 kgm/s. Object ueqrhi3z528 ;4 fdgeqB moves north with momentum 10 kgm/s. They make a perfectly inelastic collision. What is the magnitude of their combined momentum after the collision?

  A small bomb, of mass 10 kg, isg0ewyqy4dura2 )z6g 5 1,ujeg 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 third fragment? (Negleczg6 ,raeyj2y045) egg 1q udwut air friction.)

  A 4.00-kg mass sits at the origin, and a 10.0-kwdi f(4t1l; ehz*o9ayg mass sits at x = + 21.0 m. Where is the centhl4d weo(91atzify *; er of mass on the x-axis?

  The center of mass of a two-particle systea*/k mu0+zle um is at the origin. One particle is located at (3.0 m, l/kzmu a0ue* +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: 2.0 kg at (0, 0), 2.0 kg at (2.0, 0sz u)g3;i,1r )k+ vaa)h i 0xtk-wres)9j cbyc), and 4.0 kgs)+ i,c-tkg)a; )bwisc3u9v ae0jk)r zry1hx at (2.0, 1.0). Determine the coordinates of the center of mass.

  Three masses, 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0, 0), (1.0 m, 1.0 m),evp 6j1e eplctqi;+68 and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of e8e i;cjq1e6t lp6 pv+the system?

  A 3.0-kg mass is positione 2/ g1rms.jo syl *)pymt2la)gd at (0, 8.0), 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 masses being loc)tl 12ymlrj 2)/ss .*agoym gpated at the origin, (0, 0)?

  Use Table 7-1 to calsws+ mit (rg a,5wen(1culate the position of the CM of a whole leg including the foot when the lenrg1w+5 mi (s,e(atswg is stretched straight out. Assume the person is 1.60 m tall.