94.16: A car of mass m, traveling at speed v, stops in timx6)szj/ b4zt we t when maximum braking force is applied. Assuming the braking force is independent of mass, what time would be required to stop a car of mass 2m traveling at spe4 jtz b6z/xsw)ed v?

  96.04: When the velocity of a moving object is doubled, its_______is also doubvi *rk pc:o7y7wfq3k *ledw3v 7f *pkcrq7o i:*yk.

  96.06: Impulse, Fnet tso33ph2frh5,7; ga i: 6ndw/wggly a$\Delta$tis best related to:

  17.05: Which one of the followiku9 :h4kwyqf42c g ,yyng choices is most closely associated with the following observation about an isolated object: “24yk c 4qkfyhguw:y, 9The linear momentum of the object is constant.”?

  17.21: The change in lin/-ejqflln2i ;ear momentum of an object is always in the same direction ai;l/-qnl ej2f s the

  95.08: How long must a 100 N ne96 )+s2dita8 6xnktf9sa ucaxt force act to produce a change in momentum of 200 8k fstt+u ans9a )x6 26i9axdckg.m/s?

  95.29: P and Q have the same momentum. Q cafb6bphu8 3vr) b(b/-sjfg; qzn have more kinetic energy than P if iv/3f(bb6h suf8 gp)b;brqzj- t:

  98.26: A ball with a mass of 0.50 kg and a speed of 6.0 m/s om b:lz*9bc*dk qr*syp2 n( t3collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What pz:bqk mdtcb39*2lnry*( * osis the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 meterutdoo4 i;; -sqbax6ivp b349ts on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first9o4i;;64a uo vtbbsptdq-i 3x struck the trampoline. What is the average force the trampoline applies on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/s wheu pahexng2 us ie 2y(ak,nv8a s;6jc9w8)8a s3n it has a collision in space. The mass’s speedgv(;asa n2ynes ej)k xa3 8 wu9i2pu8a ,s68hc was unchanged, but the direction of its velocity was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?

  05.13: A bat striking a 0.125 kg-baseball is in contact with the ball for a ti6hzrn 89x kjo6me of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity98nr6o xjh6zk of-6.5 m/s, what is the magnitude of the average force acting on the ball?

  15.43: An object of mass 4.0 g has atotal kinetic energy of 100.0 J and an x-co0nly it;h+r. +pc6pkm mponent of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the obj0c.nhmrt+ l6py +;kpiect’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves wwbbov,.a3l fb*6zm c, ith velocity V, has acceleration a, and is at position (x,y). In what direction must the linea6wbbl,f3zb.* a cv ,omr momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downward hi,j- vcw;ec2h *o .gadj cx*b2hts the ground with a speed of*adojh ce2c b- v *jw;,xh.g2c 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

  10.33: A rubber ball of mass 2.0 kg falling straight downward /mpa,cy/+q(ep 3nhlf(/tig hhits the ground with a speed oqi (3+l( tyn /am ehhpfg//,cpf 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

  14.12: A box of mass 5.0 kg is being pus)dpsxm) x( 6qojgib2a8 rvi;7ajao 0 +hed to the right across a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of time, the b jm 8ii7 0d)+;jbp62rasgxx)ao(qa voox has a speed of 4.0 m/s and an acceleration of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

  15.12: A box of mass 12.0 kg is being pushed to the right across a horizln5j tq;j:w 6bontal surface. When the box has 12.0 J ofjlnw5:q; tbj 6 kinetic energy, a 12.0 N net force acts on it. Which one of the following choices best represents the magnitude of the linear momentum of the box at this instant?