94.16: A car of mass m, traveling at speed v, stops in tii*2rno.ou 8lbf fu14a me t when maximum braking force is applied. Assuming the braking fof .l1r*abo u8u42fin orce is independent of mass, 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 ifl-hoco9 nc:xe et-84s doubled, its_______is also doubledf: e98nt-oe h-cc4xol.

  96.06: Impulse, Fnet7a0e s:yj j4:i(nn mypuf:5sr $\Delta$tis best related to:

  17.05: Which one of the symvr;.:6n b)rjz1dqfollowing choices is most closely associated with the following observation about an isolated object: “r1.nd6szq: )vr;y m bjThe linear momentum of the object is constant.”?

  17.21: The change in linear momentum of an object is always in the same dirv(+2 (x coynjkection as tnc (k+x2ov( yjhe

  95.08: How long mustnm 20)qje h)cn a 100 N net force act to produce a change in momentum of 20m 2n)e0)jn qhc0 kg.m/s?

  95.29: P and Q have the fq;iyntn;-byoo,+ ag61f nu 3same momentum. Q can have more kinetic energy than P if i+- o16gnff; ub oayy 3niqtn;,t:

  98.26: A ball with a mass of 0.50 kg and a speed ogni: rzcw6 ,71er(yjef 6.0 m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite dire z(c1:rw je6 negyr,7iction. 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 on t91-iad lf 4rhyo a trampoline. The trampoline then bounces her back upward wid-afr1 h9y4 lith a speed equal to the speed at which she first 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 when it has a collisjux/wk.m/b 5q rr2 ::jfh3h7eqmui e6 ion in space. The mass’s speed was unx /2hm ./wu:jm:ib5 3ee6fjqkr7r quhchanged, 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 eesls/l 6*8epgf4,s o 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 arrio/p 4ssee8l sg*f,el6 ves 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 atotal kinetic enerfb3ygf6vbt t3z8tm ; -j,bj +vgy of 100.0 J and an x-component ofm 3 tbb+j6g-3tjy8v fbfv,zt; linear momentum 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 ob.v, v*2v r vk3bxvb-jf time t, a point object of mass M moves with velocity V, has acceleration a, and is at position (x,y). In what direction must the linear momentum of the object b.rv3xj k *b2,v-vv bvbe directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downw lwz6gzi56 ic9rmj0 6kard 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 collision time of the ball with the ground is 0.25 s. Treat g = 1zz i65w69g6 jm cl0irk0 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 downw hr4c0cwh3vb 1qur (uq7:5 cmeard 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 collision time of the ball with the ground icwhr54uv3cu :q017(hrmc ebq s 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 push sizw7br* (a cit- aw73/jeqixq0fg 82+0tocx ed to the right across a horizontal surfa w0iq i0iof c-c7/7egjasz3ta*+8 r (b2xxq wtce while a constant 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 1 wse-fzs2+0mw 2.0 kg is being pushed to the right across a horizontal surface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the followineswm+0 z2wf-sg choices best represents the magnitude of the linear momentum of the box at this instant?