07.14: An object moves to v vyatt0 ig.so83ibue :d .q)/the East across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the object takeadiyg) bius: .8o/t .e3vt0qv s? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from the n,i.f w*-upu0+g0so r kmzoo8same starti ,frow u gm0nk.o+s8z*o-u ip0ng location. Object 1 is launched at an angle of $30^{\circ}$ above the horizontal while Object 2 is launched at an angle of $60^{\circ}$ above the horizontal. Ignore air resistance and consider the flight of each object from launch until it returns to the same launch height above the ground. Which object returns to the starting height with the greatest speed?

  07.16: Two identical mass objeczmx7j io6 2ic5i61fmk*gched h:y/, ets are launched with the same speed from the same startincdz,ix6/eihgej:o*i756 my2 h k1m cfg location. Object 1 is launched at an angle of $30^{\circ}$ above the horizontal while Object 2 is launched at an angle of $60^{\circ}$ above the horizontal. Ignore air resistance and consider the flight of each object from launch until it returns to the same launch height above the ground. Which object experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, directly at the center of a target 20 m a7k.q avvir;vt:, aqs7 way. The arrow hs;tqi.v7r qv 7ka:,avits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched/ew1 - zh+e0ggwwee qmq+t07d at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the samq 1/0+ww z+te d hqgmg-eeew07e spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same g.mqgk ;no2i9r 5fzh5instant, a bowling ball is dropped from the same height. Ass ;2g ig95rkqmzn.hof5uming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has asvm,b1gfi-oae3il 8d ++ 9vga n init+lvb i8e+asf d- g 1va,mgo3i9ial speed $v_0$ and lands on the floor some distance from the base of the table. Which of the following statements concerning the fall of the ball is FALSE?

  00.36: A ball is thrown vertically upward with an in;7; wksd g9shkitial velocity v and an initial kine;k7 skdws9g h;tic energy $E_k$. When the ball is half way to the top of its flight, what is its velocity and its kinetic energy respectively?

  00.37: During a recenv;x nqhym27lx9 do( 7lm9py0 jt winter storm, bales of hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity of 50 m/s and dropped one bail of hay every two seconds. It is reasonable to assume that air resistance will be negligible for this situation. As the bales are falling through the air, what will xl ;n9xv7 7l 2jymo(mhdq0y9p happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to0azbscqso3b j ++ k:uhgqo8c1drq ,+- be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity of 50 m/s and dropped one bail of hay evebhuq0sd+ba:+ j+cko1 og- 3zc ,rs8 qqry two seconds. It is reasonable to assume that air resistance will be negligible for this situation. About how far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field.nl3 ysg*o*g:l -e9lk ,euxn0u Neglecting air resistance, which of the following statements would be INCORRElsy9 u *u3*,on0ex n-kllge:gCT when the football reaches its highest point.

  03.10: A ball is throw k frkx kcr47)6fj-i+tn into the air at an angle $\theta$ as measured from the horizontal with a velocity $v$. The horizontal velocity of the ball will be directly proportional to which of the following

  05.35: An arrow is shot horizontally toward a cyvexwnl-18w x-o( w qf-i a(9target 20 m away. In traveling first 5m horizol 9wxq(ave wwo f-(1-cyxni8-ntally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a hnks/ - r:;qknxp81hv bow at an angle of $40^{\circ}$ from the horizontal at a speed of 24.0 m/s. Ignoring air resistance, what is the arrow’s maximum height above its launch point?

  09.20: A projectile launched from the ground landed a horizont-,+tjw5 04pd .e2jju:lh bydsv cb q6hal distance of 120.0 m from its launch point. The projhw+pjc0j dq2b:-t45yhdub ,.ejlsv 6 ectile was in the air for a time of 4.00 seconds. If the projectile landed at the same vertical position from which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown amdw3h1sgl4j +ftth)8 : dgr cmt(g/4zt an angle of $30.0^{\circ}$ above the horizontal ground with a speed of 20 m/s. To what maximum height above the launch point does the ball rise during its motion? Ignore air resistance.

  13.43: A small 1.0kg mass is launched from the top of a clblxi3qeh. 1 )tiff with speed $V$ at an angle of $30.0^{\circ}$ above the horizontal. When it reaches the ground, its velocity is directed at $45.0^{\circ}$ below the horizontal. Which one of the following choices is the magnitude of the total impulse that was imparted to the mass during its flight? Ignore air resistance.

  09.09: The free fall trajectory of an object thrown horizon+t(o; y+jji8 k qp-k5aeqcqx;tally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directions of the velocity and of the acceleration for the object aacyx ;oe+t(j8 kq ;qj+kqip- 5t the point labeled P on the trajectory?

  02.41: A person throws a small object from thevj , ;4ybuk6o9aqp w/g top of a building at an angle of yp a4b;9 wvo /6g,qukj$30^{\circ}$ above the horizontal. At the instant that the object returns to the same height from which it was thrown, at what rate is the speed of the object changing? Ignore air resistance and let g be the acceleration due to gravity.

  15.21: An object is launched (g *;xq r31bo+9o ys5j fc 3f7mvtonldfrom the ground at an angle of $60^{\circ}$ above the horizontal with a speed of 20.0 m/s. What is the magnitude of the average velocity of the object from just after launch until it reaches its highest vertical position during flight?

  16.41: A small object 87xqe*- hdjn;d 7hcd.fab +zxis launched 30° above the horizontal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the horizo.dh xja7d-x c qd7* nbf8;e+hzntal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontc( nxo 4x0j(z 7o5nvkbh8yi+k2dg . mlal with a speed of 30b57xlv( dz8gi4mx ko0n2o+ (jk ny.ch m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff 3svc skl+81uz at an angle of u+ z1vlsksc8 3$15.9^{\circ}$ above the horizontal. When the mass reaches the ground 4.33 seconds later, its velocity is directed at $34.4^{\circ}$ below the horizontal. What is the speed of the mass when it reaches the ground? (ignore air resistance)