94.16: A car of mass m, traveling at speed v, stops in time t when maximum fpx 1n,9:ypo5a d 7ydmbraking force is applied. Assuming the braking force is independent of mass, what time ymn1opx75pd, d9fay :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_______is4/hd ) xlbpco* also doublecdlx )bp/ 4ho*d.

  96.06: Impulse, Fnet) pc2 l+*c ,b,mnjtdrhe8rdt, $\Delta$tis best related to:

  17.05: Which one of the following choices is most closely associated with the fofnbs l-g4j+1h1c9vk illowing observation about an isolated object: “The linear momg-+lf jbivhs 1cnk 491entum of the object is constant.”?

  17.21: The change in linear momentum of an b(4ir )lbhmt9 7kr46wnf: osk k tou.(object is always in the same direction as (. s(rlbw 4ook7k9funrth 4 6kmbt)i: the

  95.08: How long must a 100 N net for:+(z/ n jhqz6p5xnwrlce act to produce a change in momentum of 200 kg.m/+ rp qn /l5hz:xjnw6(zs?

  95.29: P and Q have the same momentum. Q can have more kz h*dps: ad) .hgj+ra6inetic energy than P if i : z*6sghrdj.ah)d pa+t:

  98.26: A ball with a mass of 0. qro2.f-fh n .aj/t;mmqqz(m +50 kg and a speed of 6.0 m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. m -h.qzfqtf a2n (m+r;o/qjm. What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 7wz bn0 mpqqaonmo0 92h a(s(.h8( tkdmeters on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first stz9dhnmm( (2h0n. btwks7aaoqqp80o(ruck 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 when it has a u8fmv i3/y +ydy mje9jw f( shx63+wq9collision in space. The mass’s speed + udi fvsj9e3+(/fh w8x3yy6mjmq9w ywas 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 09awgsuh8-hvf6s: /o:p vp9 lt.125 kg-baseball is in contact with the ball for a time 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 velv whp 8-s:t9psu9hoa vf g/6:locity 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 anx8sooo,ty;cvjx0 qi4 o, 82n od an x-component of linear momentum 0yc4sixo v8j,8qoxnto, 2o; o equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves with v ;l0wz1fwe/ mielocity V, has accelera;mi0fzw/ew l 1tion a, and is at position (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 straight downward , pnuc3718zo n3 zfmknhits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The colln f m87kon1uzpz33n,cision 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 strt97ywzuw *,( ld4 ateoaight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The col (4w ly7ao*wuz e,tt9dlision 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 z (emos -qtfk *uq1/m8is being pushed to the right across a horizontal surface while a constant frictional forsk m-qq oeu18(*/mfztce 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 pushed to the right across a horizonton)o d.7ie5;zaq ak7l7f mp/z gd5 c9kal surface. When the box has 12.0zm 5) ipcoz7dkn e ;od7fq .a95ka/7lg 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?