94.16: A car of mass m, traveling at f j;qptege63 tdl9-u+m as)0(k5qoz/f ,glmjspeed v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of ma/f e)m6j-t ,m0 jzdggaosepf l( ktu5ql;9+3qss, what time would be required to stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of a moving object is doubled, its__ialn.f .1m7vs_____is also doubled.a1.v f7ms nil.

  96.06: Impulse, Fnet dj ehf,2h4mr/ $\Delta$tis best related to:

  17.05: Which one of the following . stlc,--5izxb b*(8rwqu mflchoices is most closely associated with the following observatio-ct *w8 i-m5rb l,zs f(.qxbuln about an isolated object: “The linear momentum of the object is constant.”?

  17.21: The change in linear momentum of btzry;;df8ao )r2t ,r an object is always in the same direction as 28rorfbty),d t ;r;azthe

  95.08: How long must a 100 N net forcedf k5s9lic,wi si4) 2z act to produce a change in momentum of 200 kg.m/s?sf 92dzi)iskc4 li5w ,

  95.29: P and Q have the same momentum. Q can have more kinetic energy than P isykj5k8) zq5 l+xhdi: f i)h+yij5kxdl 5s:kzq 8t:

  98.26: A ball with a mass of 0.50 kg and a speed of i1p )1sd-oc,2ghn zdj 6.0 m/s collides perpendicularly with a wall and bounces off with a speedincj -12, g1oshdp )zd of 4.0 m/s in the opposite direction. What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 meters v z(naidkxs8f+nu366 on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first strucf z3kduixsnv +(n a686k 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 whendo3m0m pie*9y h) zwu26kzj) w it has a collision in space. The mass’s spzywm kui)z )jo0 6dm23wh*9peeed 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 time9 (udgwac( ee7 gcg*l0 of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the balgc(0*(e 9lggadwe7cu l arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity 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 a8d*b hxhi8fv- 56qi0 jvn*gbltotal kinetic energy of 100.0 J and an x-component of linear momentum equal to 24.0 kg.m/s. The object is moving iv ij 05d8* f b6-vq*giblnhh8xn the x-y plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point 27g dtz/: pqmzh2 5xftobject of mass M moves with velocity V, has acceleration a, and is at ptmtfp 2dxz27: 5 h/zqgosition (x,y). In what direction must the linear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling str3v1+ rk6ylsy-xzv 3wsaight downward hits the ground with a speed of 0.90 m/s and t z+vrysvl13w6xs -3kyhen 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 fallj ::gq n.+llzting straight downward hits the ground with a g: .+tnj qll:zspeed of 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 pushed to 7. 2 x*)szh xdj(lhuto.klsm7the right across a horizontal surface while a consohsh2.u lj( k 7x.7tl)zm *dxstant frictional force of 8.0 N acts on the box. At some instant of time, the box 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 pushe9. fowd9xlh 9nrwh7;id to the right across a horizontal surface. When the box haiwhowd9hl.x 9 nr9; f7s 12.0 J of 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?