94.16: A car of mass m, traveling at s wyq9 25gxjp7-zika7nq,qc vs+s:+ztn 7zh-hpeed v, stops in time t when maximum braking force is applied. Assuming the braking force is +:s2 pasn xi 7whz-g5,h + t-v7y9knqcjq qzz7independent 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 is dm 0el(388ryb e2ymm *uefl 7qaoubled, its_______is also doubled.fmm eu882 3rleay*q y (eb0ml7

  96.06: Impulse, Fnet aki 0h5)a -psu$\Delta$tis best related to:

  17.05: Which one of the following choices is most closely associated with t3w *6yf r6,i+t rzv+5w jm5goqq 1ppdhhe following observation about *w+5t5i gzyd1ph3fjr66p r,o mvwq q+an isolated object: “The linear momentum of the object is constant.”?

  17.21: The change in linear momentum of an ob68j y4m-s7a)tzph w iiject is always in the same directio7za-m6t4si j)y i8w phn as the

  95.08: How long must a 100 N net force act to produce8.ff/* yematk a change in momentum of 200 kg.m/sf8/*tfyam.e k ?

  95.29: P and Q have the same momentum. Q can have more kinetic energy than r:q cz2 cfp8h3xq7:.u(ba urrP if ixpr qfzca(:r 7cq.2u:8bur3ht:

  98.26: A ball with a mass of 0.50 kg and a speed of 6.0 m/s 2hk7bt r2dz-b i7+ ycscollides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magnitude of the dhitz+s c22 7-kbybr7 impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 meters d;kj4tczp0q vaj 7k)+t:kzx )on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first struck the trampoline. What is the average force the trampoline appliedzkt k qxtj+ 7 vzpaj)ck:4;)0s on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0iqn( fzyan0 )boas5 8: m/s when it has a collision in space. The mass’s speed was unchanged, but the direct 8 )anq0 n:(iysaoz5bfion 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 c w yw(tv6mb:ke9te)o6 (bmmt- ontact with the ball for a time of 0.0 wvt6mb)b:tt mwe9 (oym(-6ke 3 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 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 tw 9 zi,1kbxw */nfy4bhas atotal kinetic energy of 100.0 J and an x-component of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-cot/y b9fxw1 b, *4nikzwmponent of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves with velocity V, s a .cblku, y6+5szv;gc)h7b phas acceleration a, and is at position (x,y). In what direction must tul z;by5s, +6.)cpvabk g7hsc he linear momentum of the object be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downward +l2w rob-s:c5md-vr mhits the ground with a speed of 0.90 m/s and then rebounds straight upward withsr wmb:lcv -5-mr2 d+o 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 hits thd6wa 8,7l j.difkeu6 g 7ll7jce ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.668ui7,lel f jd6 kla 7jc7wdg.0 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 the right across a horizontal 1(.yw m( wtjbmsurface while a constant frictional force of 8.0 N acts on the box. At some instan t .j1(m(bwmywt 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 a83-77uih uvi4sp t/; vn6w ,vkyyiz)g xbis5ecross 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 following choices best ;ysvigv4t/ip n z8 vikbx7uws,u3 y- 57i6e)hrepresents the magnitude of the linear momentum of the box at this instant?