94.16: A car of mass m, traveling at speed v, stops in time t when mpd :51rosgtie.k .+p raximum brakin+o :rsiep.dr 5t.g1 pkg 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 object is-+y8wq 8* oisjpzqoz 6fan49j doubled, its_______is also doubled.jqq6nz -jip4* o w9f8yzoa s8+

  96.06: Impulse, Fnet /0f i,azakll1qwov):. ltj6 l $\Delta$tis best related to:

  17.05: Which one of the following choices is m dwtgyv+4 ):p8zjb.-vu db55t am qfp5ost closely associated with the following observation about an iaz- m5bgv5bfut5p+v)dpy48dw . qjt:solated object: “The linear momentum of the object is constant.”?

  17.21: The change in linear momentum of an objec ,5c+6 fe.t4 czvebmset is always in the same direction ac+5f .4eevzsct m,eb 6s the

  95.08: How long must a 100 N net fort v.+doy0ab q ps,q6(kce act to produce a change in momentum of 200 (q ska td0p6v q,.o+bykg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic energy yen yva-n5;gz xq 6t92+:jfb30 t upcdthan P if i-azf 2b+3ytyduc 6v5xntn gq 90:je p;t:

  98.26: A ball with a mass of 0.50 fvp*: :tsp*ez2zyn b9kg and a speed of 6.0 m/s collides perpendicularly with a wall and bounces off with a ss :n*ptfez *9:vpy2zb peed 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- j2nuitn 0jhzdvq3)bek 0*(l from a height of 4 meters on to a trampoline. The trampoline then bounces her back upward with a s*uv0l i2d3j0-nqj b)etnzk( hpeed 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 atop)o-w0qlhz*mo 3+m w bq5x d1 10.0 m/s when it has a collision in space. The mass’s speed was unchangeddlozbw-1mpxqo w )mo+h05*3 q, 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 ab aq01zcr jg4,i1*ab a 0.125 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*1 gb0jra zb,14ia caq 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 e 77h4ep8spqsinergy of 100.0 J and an x-component of linear momentum eqsheip8 s p747qual 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,-+khp kx1i 9lg 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 be directed at this khxl+i-p9k1g instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downward hits the ground(cqz.v hzs; s8dw n0gn d;d8.psv9li6 with a speed of 0.90 m/s and then rebounds straight di;cvds8 ng0l98pqwsd s.;. hnzv( z 6upward 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 wrcbh j*2,mj1vr 6ddu 0rk3*i2.0 kg falling straight 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 colliwd 6jum* d,bckrr3 2hr1v0ji *sion 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 hoh)a.a xo 0rucf38 6btorizontal surface whil u3t xoahar86. ocb0f)e 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 12.0 kg isbekx za 1eu l9k637/gf being pushed to the right across a horizontal surface. When the6/guzx9k ek 1a7l3b ef box has 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?