07.14: An object moves to:x.o5qo(bpneadh4duydx* ,2 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 takes? A. A straight line pa*onqd 5 x:ua4 ,(d.ybpe2oxdh th partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from the azm a.wu2 *7z khhq.yarm:0+q same starting location. Object 1 u2h .+aaq0 z q: z7rk.ya*whmmis 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 the same speed from the y+1n is4ovy, dc m .wj8gpfw;4same starting locatw 1vco. ,4yd8 ;iw4mjsnf+ypgion. 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 thlwpd67 l9fhkd/-enl b /:ogc3 e center of a target 20 m away. The arrowd7bd3-6/ pwk9:lnle gcl/ ho f hits 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 at the s dd:/v7 f0yt0hbolku (ame time with the same speed. A at an angle greater than 45 f: tdvldyob uk07h (0/degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, g+w oiexwsg+ck94*4u55yts y a bo k+*tcu5osw5 ysxy9w4+g ige4wling ball is dropped from the same height. Assuming 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. Them(t/ kmvg5 9 ed.aepww6)nmvy1 z: r2n ball has an initial spe5(. dn6mm/a)vvp:n 92 ye1kzwwmreg ted $v_0$ 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 vb-o +9b wdhu/eelocity v and an initial kinetic ener/e-o 9dhbwub +gy $E_k$. 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 dropped from an airpk rt*5l aob1:um140uzzxd;fx lane to a herd of cattle below. Assume the airplane flew horizontally at an a:1 ;xxo1rl0 4muztu kz ab5*fdltitude 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 happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from an akh 0ks0b2lby8 w-be h.irplane t0yhblke2-bwk0 b .8sho 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?

  01.14: A football is kicked a distance of 50 yards down field. Negnjb1fv5b cs ;3lecting air resistance, which of the following statemsbcv5;13 fbjnents would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an anglfjzc drqt1sbbqqwt- *hj89sw9 w704 .e $\theta$ 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 targ jb)dgg g7-uv1e;1a. lha1r8xg vwvu.et 20 m away. In traveling first 5mbgegjvva811. 7;d-w xlv)ggr a.1 hu u horizontally, 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 qziv a 1st.08k,. ofuga 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 horizontal distance4y -nx.vxz6xwgm v*9r of 120.0 m from its launch point. The projectile 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 zvx.mgr9- y*n64wvxxthe launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thl;515t 60lzslxm guzkrown 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 the top of a cliff with spee*m(pgx/f krv ):xxix1 d $V$ 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 t.t/r v287j lbel-uhr3/ fxi-n rje.nuhrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the direct8ufbv72j/-eli.n-l x nu./r3rhjterions of the velocity and of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a sm) p:m; ;rog ce hswuea:83nre;all object from the top of a building at an angle of ec: arsu:w meorg)ph8;3e;n; $30^{\circ}$ 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 launc ./sg5tbhd 6eched from 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 is lauq yceq :n qfp a9f-4q/ud17ua0nched 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 horizon eu 74 1q0cuqqa f-qya/9p:nfdtal 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 horizont6x .n ezn.9gnyal 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 from the origin .ennnx6y .gz9al launch point?

  14.40: A small 1.35-gram mass is launched from thej/odq2ek 98 zbu n1a6cm mglj*7b5gl1 top of a cliff at an angle of gqa l8 g 1bz7c5mm2*ndu/ jo9jlb1k6e$15.9^{\circ}$ 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)