94.16: A car of mass m, tr7np 8u7y1wx aeaveling at speed v, stops in time t when maximum braking 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 speeyx7aw 8ue1pn7d v?

  96.04: When the velocity of a moving object is doubled, its_______is alsi2,y ,x msw86uw sj6o ,tmw+xwo doubled8w sj syuw6m, +2ot6mxwi,xw,.

  96.06: Impulse, Fnev7 ()e3w2k6l rewykfrf. oyk5t $\Delta$tis best related to:

  17.05: Which one of the followi1 ptexiph;h- 2ng choices is most closely associated with the fol ;1e2ix hp-htplowing observation about an isolated object: “The linear momentum of the object is constant.”?

  17.21: The change in linear momentum of an objectv7ph-gc* y nxw1x;;ct is always in the same directio ;x*hgn -pw 1y7;cvctxn as the

  95.08: How long must a 100 N net force act to produce a cl ;6 njs wtm soxeh486rb,mr, am8bw83hange in momentum of 200;3 e6xao,m,8mrtr8swh64 bsb8w jmn l kg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetib gxt/v,z j*i*c energy than P if it:bv ixg*,z/ t*j

  98.26: A ball with a mass of 0.50 58qcj c 2eeb*qkg and a speed of 6.0 m/s collides perpendicularly with a wall and bounces off with a q qec5*b8c2jespeed 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 from a height of 4 meters on to a tram8lg4 ejl v*l)j 2:kpi xxlsy:4poline. 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 applies on the x i2 :ll le)sjgv8j*yk:4lp4x gymnast?

  17.27: A 2.0 kg mass moves at bv i-ei14,bka +lc4l m10.0 m/s when it has a collision in space. The mass’s speed was unchanged, but the dievib, bc44i1l+ amk-lrection 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 cg n5m/:plu d7lontact 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 aml/: nu7 5pdlg 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 atotali4mpv6)x 7dwa kinetic energy of 100.0 J and an x-component of linear momentum equal mav4p7dxi6 w) 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 instanty2; .a7y3-6ckxhq0 var bndi u of time t, a point object of mass M moves with velocity V, has accele k;2axyard7cy-0 iq63. uvnbhration 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 ofpv7.8e5n lq ck mass 2.0 kg falling straight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed 58q7eck .plvnof 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 do7tw8nfup (p+l/(s oau l2fi;nwnward 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 = 10 N/kusl (o2i 7(p fn paul/wn;tf8+g.
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 kj4*om2+ dvcs across a horizontal surface 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 accelerationvc+2jok m d*s4 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 pushemt*x)u,t /qchy/ p9 quvhd(lug5n:a+d to the right across a horizontal surface. When thq)/ v/pmyutg9nlc(xu* auh+, q5dt :he 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?