94.16: A car of mass m, traveling at speed vkcagdms6+zj*e n e0 w, f5 )j2jzez4)h, stops in time t when maximum braking force is applied. Assuming the braking force is inde+*g6)da e2 mn5kjzj4ehw sjz)fez c,0pendent 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 dozfbn-4 1*pt:2 p.m ay ywzdr9(j3joqfubled, its_______is also doubled(2 d fq3*potaz:p1ryj49 yz mf jwn.-b.

  96.06: Impulse, Fne;fig)zy+i.mx3p3; ar c gc rn2t $\Delta$tis best related to:

  17.05: Which one of the following choices is wku v))yw0oh6 most closely associated with the following observation about an isolated object: “The linear momenwu0k6o) yvh)w tum of the object is constant.”?

  17.21: The change in linear mci5ktbq9 p)nsj8 j() h *trz;momentum of an object is always in the same direction as thetr j cin5*m);p9(zt)qbhsj k8

  95.08: How long must a 100 N net force act to produce a chanfxo h*tq, l:9lu0-jflge in momentum of 200 kg.m/sll:x,tj l-ffh 0q*o 9u?

  95.29: P and Q have the same momentum. Q cantnf gb / so,*j*bc43llq d)h:l have more kinetic energy than P if it: jn)4b ,boll/d* hs*lgq:3fct

  98.26: A ball with a mass of 0.50 kg and a speed o0s .h+k0v 8v0nnfzkwmf 6.0 m/s collides perpendicularly with a wa+nk 0 fhkv80m z0v.snwll and bounces off with a speed 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 o;)qi.6vykx3wiwmq so htr( 4am6t1 pqzf( 82kf 4 meters on to a trampoline. The trampoline then bounces her back)m1hvkkq(fr382 w6q(w qiazp;.s4 imt txoy6 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 avc)-++v,o k78sflx1*qx / xcwq eglrht 10.0 m/s when it has a collision in space. The mass’s speed was unchanged, bu-krheofwv/+x1* x lqqv ,c7scx)8+lgt 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 q: nc24r(kwfi in contact with the ball for a time of 0.03 seconds. The ball travels in a straight line as it approaches and then f2wcr4(i q:nkleaves 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 4.0l67jx3n8pppf g has atotal kinetic energy of 100.0 J and an x-component of linear momentum equal to 2p7xl8 p3jp6nf4.0 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 object o: xkkw (mq4g o.r:ddvy;qx67zf mass M moves with velocity V, has acceleration a, and is at position (x,y). In what direction must the linear momentum of the objectq7zxkvwd .(qkox d:m r;g6y4: be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straightis p(b )44,(yrfah zswmr m13g downward hits the ground with a speed of 0.90 m/spw a(s, r g4f4hmb1)3my(sirz 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/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 thex exux: k-ov): 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 theox: :uxv -exk) 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 t;lp l5gvkcf*i vkb ;y+q4kj)k4oeg /8o the right 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 spf oygg/vk kl8 i k*ekp+;qlv)c4 4bj;5eed 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 across a horizontal ,o8 zg3g-vba s8tnqs-kl)5rp surface. When the box has 12.0 Jvzns pgtal5, bg- rq)3k8o-s8 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?