07.14: An object moves to the East across a fribvg h vx: *l 3i6jd.vs.p8pdg7ctionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the objd7.ibjg*p vd s38.xphv 6g:vlect takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from the gm ev9u3 ummrh /vd64z(q.w6jw bj9a1 same starting location. Obje d9r1mzvvgj.buw66 /m a(9mhje4u3 wq ct 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 objects are launched with vjsbdy h 59(7w6.ppawthe same speed from the same startinhpdvj. 5w(7y psa6bw9g 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, directyjpf nwp2 qgi42auzv3-59h q, ly at the center of a target 20 m away. The arrow hits 0.050 m belo2 4h pzq ,9uf5vg2yai-3nwqpjw the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speedrauzbf6q8,*m/ ks *ph. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the saqrzbm ,pk6*s* 8fh/u ame spot on the ground. Which arrow arrives first?

  95.19: A baseball is f2wjj duts0. idk,3b6aji;s,u n4*iothrown horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct? a isksin ij.d4o;fd3b6,,j2u *j0wu t

  96.08: A ball is rolled pol3(o n /2ucyoff the edge of a horizontal table. The ball has an initial nl 3ou/ oy2(cpspeed $v_0$ 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 initial velocity v ak;r7:pf0wiiiup rvqc2ckf5d /8z k 7jl/14 fdnd an initial kineqvzcc4:8d k ui0i5/f7f 7f/rd2jpwpi; lr k k1tic 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 recent winter storm, bales of hay had to be drm +8qzis* rlac4zj5+ w4cl +xbopped 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 fall+4jl8+i zarx5 q+w 4smzc* lcbing through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, ba/ v9e71cbi mh64rwp z tyn8iw+les 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. About how far apart from each other will the bales land on the ground?nt79i/v8cz 1iwy+re b4m 6pwh

  01.14: A football is kicked a distance of 50 yarg yiid33g4c/*(c,it r7skq0 fbwwej,ds down field. Neglecting air resisjd*7biqkfy rt(,ige ,cg3w3 /c0w4sitance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an angl mh*18s4llp.)tundy oe $\theta$ 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 tq;*hazgyk -u3oward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m; zu-gak hy3q*. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot 5xk,ga5nl52fug0wee3 1ub (s dwlt. ( ; xwaebfrom a 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 hori-.mpwih vt utnu980k ki85hz 7zontal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projeup8ukn -im0zit v59 thkhw 7.8ctile 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 f*e9 p;i bkd5xlet36n at 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 thp; q k6zo,q. 3oglff5dtw+9ane top of a cliff 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 horizontally from jn8 yvzr(+v 0up 5/l)lxndk*lthe top of v(+j d n0lxu*zvl5pyk/ nr)8la 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 at the point labeled P on the trajectory?

  02.41: A person throws a small objev(05a 1utfxf nct from the top of a building at an angle of u1 f 0av(f5ntx$30^{\circ}$ 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 from the ground at -s2zggs//ok)nab)m tan 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 is laut9a 74(ijrv8zp 9 ju :s6lwdiwnched 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 horizontal is the object m4i w78lrtd :vi9j6su9aj( zpwoving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above thexr:h) 0t wel7jxyh -w9 horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal 9-7x)hrxy t:0 hjlwew from the original launch point?

  14.40: A small 1.35-gram mass iid+z*p ttwce76iu -n; s launched from the top of a cliff at an angle of6d+c ;iti7tp-zu e*nw $15.9^{\circ}$ 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)