94.16: A car of mass m, traveling at speed v,j 9tj6x v47kqy stops in time t when maximum braking f7yj9 t6j 4kxqvorce 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 doubled, its______bevn6am)kr, gk. mwp9p9u4 :g_is also doubled.9,k mp 4 avpe).r6kng:u9gw mb

  96.06: Impulse, Fne )8wy,etnwv 8qs-hr ,qezt 2vvuk3 m)9t $\Delta$tis best related to:

  17.05: Which one of the following choices is 0i4ip993 j /ekouzidb b2ak-vmost closely associated with the following observati/0kbz2d-b i 99viopi j4uea3kon about an isolated object: “The linear momentum of the object is constant.”?

  17.21: The change in linea 9obnmz+l*j s6r momentum of an object is always in the same direction as + *9os zjlnb6mthe

  95.08: How long must a 100 N n ybz2 h)en:w c+;pnp8get force act to produce a change in momentum of 200 kg.h wzp82nn egy:) +bcp;m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic energy kxell y(h1x;b99a u1pthan P if it:x l1e(9k bhy19 lupx;a

  98.26: A ball with a mass of 0.50 kg and a spe v.otsv*y*ge i)- kq zn/7bbd*ed of 6.0 m/s collides perpendicularly dgyb kq) intzbv/s*.**e -o7vwith a wall 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 gymnauvu d0j ke,0 5cqd+9qoz 9w3hhst falls freely from a height of 4 meters on to a trampoline. The trampoline then bouncw5,uh h3vjdq9kzq o09c0de+ues 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 it has a collision in space. +y,frzc 3+ne 0::8 mt2nwqidr6bp he9fsh2qj The mass’s speed was unch 2q+wh0+m:n8,e fy6s 9rq ef:dr3tc zip2hnbjanged, 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 a 0.125 kg-baseball is n* ep 0qege7bjpw9j mx2)9z,lxa jz9*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 tw)*e7 9 2bn*mzax0jpe9le, xz jqp9jg he 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 has atotal kinetic energy otfugqr q8y flv d6yv*46)1m9tf 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 i4 vv68lqd1f r *tmygutyf9q6 )s they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object ox 0:iw1h9ozaa;l +lhpak7-ax f 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 instp:h97l wh+xa;zolaa 0 ak-xi 1ant?

  10.32: A rubber ball of mass 2.0 kg falling straiq (k aq d29jrwq8uv09nght downward hits the ground with a speed of 0.90 m/s and then rewdu0avq2jkr9 9q n 8q(bounds 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 abfljp -19g:tt1 yr3xfalling 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 collision timea:19 x 13p- tgltrbyfj 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 2nrnaw41s(arug+j( gk5m i;zf7elu, across a horizontal surface while a constant frictional force of 8.0 N rgfu;, aw( s 5eina+mz27 4(gnr 1ulkjacts 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 12qhcfv+ e ,x+dr0e b:+ rw7pfh1.0 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 choices best represents the magnitude of the linear momentum of the box at this ins, r+7 fr1+e:w0qxv+fc ehpdhbtant?