94.16: A car of mass m, traveling at speed v, stops in time t when maxims)--2*p fy54 a8qlq2cm gr;zxccia xwum braking lwz cmy g5-4) 2qxscr2i-;qf8apc*ax 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 speed v?

  96.04: When the velocity of a moving ob* (zxasiu+pln (-u eb,ject is doubled, its_______is also doubledesz((uxp*,b inl+au -.

  96.06: Impulse, Fnet1*g3n;k ro nfn *p8a*u ash1pa)i bel8 $\Delta$tis best related to:

  17.05: Which one of the following choices is most closely assoq l7 7y fb8j pm:q:szn(k/fzfh1nod-:ciated with the following obsy:zjpkf:f8l (s/h-q7qzf:o17 mnd n bervation about an isolated object: “The linear momentum of the object is constant.”?

  17.21: The change in linear momentum ofg8.2dc l ok:i)j qmag55)lv vv an object is always in the same direction)v.v )5c5vd lq:ga mgko8 ji2l as the

  95.08: How long must a 100 N net force act to produce a change in momentum of 20tcn(v: l8g.wd 0.: wn8g cvd(lt kg.m/s?

  95.29: P and Q have the same momentum. Q can have morzeg0:zr 1fuy2 e kinetic energy than P if it:u0e :fy2 z1rgz

  98.26: A ball with a mass o/ g+hk 7zmk(znc-jkd-f 0.50 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. What is th7ck-hz/ dkzk m(-njg +e magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls k*gay,7 h skic8x,r -sfreely from a height of 4 meters on to a trampoline. The tsh cgr*,x 8,7k-aksi yrampoline 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 applies on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/s when i-+h i- kg3ku *mdr/atfxifqsy8 5 o*z9t has a collision in space. The mass’s speed was unchanged, byfrsz**u8oi9-kg mhka/d5 t -3ix qf+ ut 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 ahmrw 85hptves jtdl(0m.u 6 up9a0* .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 w(au0hrjtmte509a* 8m w .vl .pd pshu6ith 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 4.07yrivngz.9/ m xy2x1 q g has atotal kinetic energy of 100.0 J and an x-componxqyiv1 x g.2zr/7y m9nent 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 object’s linear momentum?

  13.05: At an instant of time t, a point objecty c 46l;otjhiu bc-znrlwn71;)vi k47 of mass M moves with velocity V, has acceleration a, and4 nw v ;b;kro1czli4l-j67citu)y7n h 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 hits the ground4 qszw2c lege7l. yf/* 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 balq l2*s4z gfelc/y7 ew.l 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 the grou dw bf2q/4rk pe,.pl7znd 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 the4,fr7/ .dpp qk zbwl2e 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 acr 3x6/ ogzwy3oq +zqbn2oss a horizontal surface while a constant frictional force of 8.0 N acts o/oxzwqy+32 gnq3o z6 bn 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 12.0z):ndv fhoo /c+by2+ +an3i tl 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 following chot+f ail:/3+coo dy v 2+zh)nnbices best represents the magnitude of the linear momentum of the box at this instant?